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Finding the Fourth Proportional to 576,151.80, 864,227.70 and 543,492.60

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Solution

The fourth proportional to 576,151.80, 864,227.70 and 543,492.60 is: 815,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,151.80 : 864,227.70 = 543,492.60 : x
  2. Step 2: Convert to fraction form
    576,151.80/864,227.70 = 543,492.60/x
  3. Step 3: Cross multiply
    576,151.80x = 864,227.70 × 543,492.60
  4. Step 4: Simplify right side
    576,151.80x = 469,701,359,665.02
  5. Step 5: Solve for x
    x = 469,701,359,665.02/576,151.80
  6. Step 6: Final answer
    x = 815,238.90

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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.