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Finding the Fourth Proportional to 527,024.61, 727,294.17 and 285,307.17

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Solution

The fourth proportional to 527,024.61, 727,294.17 and 285,307.17 is: 393,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,024.61 : 727,294.17 = 285,307.17 : x
  2. Step 2: Convert to fraction form
    527,024.61/727,294.17 = 285,307.17/x
  3. Step 3: Cross multiply
    527,024.61x = 727,294.17 × 285,307.17
  4. Step 4: Simplify right side
    527,024.61x = 207,502,241,400.20
  5. Step 5: Solve for x
    x = 207,502,241,400.20/527,024.61
  6. Step 6: Final answer
    x = 393,724.01

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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.