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Finding the Fourth Proportional to 567,487.20, 851,230.80 and 559,192.80

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Solution

The fourth proportional to 567,487.20, 851,230.80 and 559,192.80 is: 838,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,487.20 : 851,230.80 = 559,192.80 : x
  2. Step 2: Convert to fraction form
    567,487.20/851,230.80 = 559,192.80/x
  3. Step 3: Cross multiply
    567,487.20x = 851,230.80 × 559,192.80
  4. Step 4: Simplify right side
    567,487.20x = 476,002,134,498.24
  5. Step 5: Solve for x
    x = 476,002,134,498.24/567,487.20
  6. Step 6: Final answer
    x = 838,789.20

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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.