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Finding the Fourth Proportional to 527,510.71, 790,314.71 and 324,753.94

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Solution

The fourth proportional to 527,510.71, 790,314.71 and 324,753.94 is: 486,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,510.71 : 790,314.71 = 324,753.94 : x
  2. Step 2: Convert to fraction form
    527,510.71/790,314.71 = 324,753.94/x
  3. Step 3: Cross multiply
    527,510.71x = 790,314.71 × 324,753.94
  4. Step 4: Simplify right side
    527,510.71x = 256,657,814,748.56
  5. Step 5: Solve for x
    x = 256,657,814,748.56/527,510.71
  6. Step 6: Final answer
    x = 486,545.22

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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.