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Finding the Fourth Proportional to 576,822.80, 865,234.20 and 534,832.40

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Solution

The fourth proportional to 576,822.80, 865,234.20 and 534,832.40 is: 802,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,822.80 : 865,234.20 = 534,832.40 : x
  2. Step 2: Convert to fraction form
    576,822.80/865,234.20 = 534,832.40/x
  3. Step 3: Cross multiply
    576,822.80x = 865,234.20 × 534,832.40
  4. Step 4: Simplify right side
    576,822.80x = 462,755,283,748.08
  5. Step 5: Solve for x
    x = 462,755,283,748.08/576,822.80
  6. Step 6: Final answer
    x = 802,248.60

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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.