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Finding the Fourth Proportional to 526,314.59, 726,313.60 and 284,596.55

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Solution

The fourth proportional to 526,314.59, 726,313.60 and 284,596.55 is: 392,742.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,314.59 : 726,313.60 = 284,596.55 : x
  2. Step 2: Convert to fraction form
    526,314.59/726,313.60 = 284,596.55/x
  3. Step 3: Cross multiply
    526,314.59x = 726,313.60 × 284,596.55
  4. Step 4: Simplify right side
    526,314.59x = 206,706,344,778.08
  5. Step 5: Solve for x
    x = 206,706,344,778.08/526,314.59
  6. Step 6: Final answer
    x = 392,742.95

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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.