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Finding the Fourth Proportional to 576,061.60, 864,092.40 and 543,402.40

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Solution

The fourth proportional to 576,061.60, 864,092.40 and 543,402.40 is: 815,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,061.60 : 864,092.40 = 543,402.40 : x
  2. Step 2: Convert to fraction form
    576,061.60/864,092.40 = 543,402.40/x
  3. Step 3: Cross multiply
    576,061.60x = 864,092.40 × 543,402.40
  4. Step 4: Simplify right side
    576,061.60x = 469,549,883,981.76
  5. Step 5: Solve for x
    x = 469,549,883,981.76/576,061.60
  6. Step 6: Final answer
    x = 815,103.60

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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.