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Finding the Fourth Proportional to 440,387.71, 608,027.76 and 338,230.60

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Solution

The fourth proportional to 440,387.71, 608,027.76 and 338,230.60 is: 466,983.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,387.71 : 608,027.76 = 338,230.60 : x
  2. Step 2: Convert to fraction form
    440,387.71/608,027.76 = 338,230.60/x
  3. Step 3: Cross multiply
    440,387.71x = 608,027.76 × 338,230.60
  4. Step 4: Simplify right side
    440,387.71x = 205,653,592,561.39
  5. Step 5: Solve for x
    x = 205,653,592,561.39/440,387.71
  6. Step 6: Final answer
    x = 466,983.04

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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.