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Finding the Fourth Proportional to 440,594.28, 608,021.68 and 239,390.28

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Solution

The fourth proportional to 440,594.28, 608,021.68 and 239,390.28 is: 330,359.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,594.28 : 608,021.68 = 239,390.28 : x
  2. Step 2: Convert to fraction form
    440,594.28/608,021.68 = 239,390.28/x
  3. Step 3: Cross multiply
    440,594.28x = 608,021.68 × 239,390.28
  4. Step 4: Simplify right side
    440,594.28x = 145,554,480,221.27
  5. Step 5: Solve for x
    x = 145,554,480,221.27/440,594.28
  6. Step 6: Final answer
    x = 330,359.44

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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.