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Finding the Fourth Proportional to 440,674.24, 608,127.60 and 239,470.24

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Solution

The fourth proportional to 440,674.24, 608,127.60 and 239,470.24 is: 330,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,674.24 : 608,127.60 = 239,470.24 : x
  2. Step 2: Convert to fraction form
    440,674.24/608,127.60 = 239,470.24/x
  3. Step 3: Cross multiply
    440,674.24x = 608,127.60 × 239,470.24
  4. Step 4: Simplify right side
    440,674.24x = 145,628,462,322.62
  5. Step 5: Solve for x
    x = 145,628,462,322.62/440,674.24
  6. Step 6: Final answer
    x = 330,467.38

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Half scale
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Double scale
Find fourth proportional to 440,675.24, 608,128.98 and 239,471.24
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.