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Finding the Fourth Proportional to 477,789.71, 716,425.16 and 237,376.44

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Solution

The fourth proportional to 477,789.71, 716,425.16 and 237,376.44 is: 355,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,789.71 : 716,425.16 = 237,376.44 : x
  2. Step 2: Convert to fraction form
    477,789.71/716,425.16 = 237,376.44/x
  3. Step 3: Cross multiply
    477,789.71x = 716,425.16 × 237,376.44
  4. Step 4: Simplify right side
    477,789.71x = 170,062,452,820.35
  5. Step 5: Solve for x
    x = 170,062,452,820.35/477,789.71
  6. Step 6: Final answer
    x = 355,935.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.