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Finding the Fourth Proportional to 522,773.80, 784,743.90 and 488,510.80

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Solution

The fourth proportional to 522,773.80, 784,743.90 and 488,510.80 is: 733,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,773.80 : 784,743.90 = 488,510.80 : x
  2. Step 2: Convert to fraction form
    522,773.80/784,743.90 = 488,510.80/x
  3. Step 3: Cross multiply
    522,773.80x = 784,743.90 × 488,510.80
  4. Step 4: Simplify right side
    522,773.80x = 383,355,870,384.12
  5. Step 5: Solve for x
    x = 383,355,870,384.12/522,773.80
  6. Step 6: Final answer
    x = 733,311.18

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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.