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Finding the Fourth Proportional to 284,594.67, 392,740.52 and 157,269.15

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Solution

The fourth proportional to 284,594.67, 392,740.52 and 157,269.15 is: 217,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,594.67 : 392,740.52 = 157,269.15 : x
  2. Step 2: Convert to fraction form
    284,594.67/392,740.52 = 157,269.15/x
  3. Step 3: Cross multiply
    284,594.67x = 392,740.52 × 157,269.15
  4. Step 4: Simplify right side
    284,594.67x = 61,765,966,964.61
  5. Step 5: Solve for x
    x = 61,765,966,964.61/284,594.67
  6. Step 6: Final answer
    x = 217,031.36

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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.