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Finding the Fourth Proportional to 431,982.90, 596,124.90 and 240,991.38

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Solution

The fourth proportional to 431,982.90, 596,124.90 and 240,991.38 is: 332,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,982.90 : 596,124.90 = 240,991.38 : x
  2. Step 2: Convert to fraction form
    431,982.90/596,124.90 = 240,991.38/x
  3. Step 3: Cross multiply
    431,982.90x = 596,124.90 × 240,991.38
  4. Step 4: Simplify right side
    431,982.90x = 143,660,962,303.36
  5. Step 5: Solve for x
    x = 143,660,962,303.36/431,982.90
  6. Step 6: Final answer
    x = 332,561.69

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Half scale
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Double scale
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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.