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Finding the Fourth Proportional to 522,045.60, 784,234.80 and 502,216.80

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Solution

The fourth proportional to 522,045.60, 784,234.80 and 502,216.80 is: 754,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,045.60 : 784,234.80 = 502,216.80 : x
  2. Step 2: Convert to fraction form
    522,045.60/784,234.80 = 502,216.80/x
  3. Step 3: Cross multiply
    522,045.60x = 784,234.80 × 502,216.80
  4. Step 4: Simplify right side
    522,045.60x = 393,855,891,704.64
  5. Step 5: Solve for x
    x = 393,855,891,704.64/522,045.60
  6. Step 6: Final answer
    x = 754,447.30

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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.