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Finding the Fourth Proportional to 527,246.97, 727,597.01 and 285,523.93

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Solution

The fourth proportional to 527,246.97, 727,597.01 and 285,523.93 is: 394,020.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,246.97 : 727,597.01 = 285,523.93 : x
  2. Step 2: Convert to fraction form
    527,246.97/727,597.01 = 285,523.93/x
  3. Step 3: Cross multiply
    527,246.97x = 727,597.01 × 285,523.93
  4. Step 4: Simplify right side
    527,246.97x = 207,746,357,751.45
  5. Step 5: Solve for x
    x = 207,746,357,751.45/527,246.97
  6. Step 6: Final answer
    x = 394,020.96

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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.