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Finding the Fourth Proportional to 536,715.20, 804,151.20 and 283,620.80

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Solution

The fourth proportional to 536,715.20, 804,151.20 and 283,620.80 is: 424,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,715.20 : 804,151.20 = 283,620.80 : x
  2. Step 2: Convert to fraction form
    536,715.20/804,151.20 = 283,620.80/x
  3. Step 3: Cross multiply
    536,715.20x = 804,151.20 × 283,620.80
  4. Step 4: Simplify right side
    536,715.20x = 228,074,006,664.96
  5. Step 5: Solve for x
    x = 228,074,006,664.96/536,715.20
  6. Step 6: Final answer
    x = 424,944.19

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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.