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Finding the Fourth Proportional to 537,129.80, 804,773.10 and 256,041.80

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Solution

The fourth proportional to 537,129.80, 804,773.10 and 256,041.80 is: 383,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,129.80 : 804,773.10 = 256,041.80 : x
  2. Step 2: Convert to fraction form
    537,129.80/804,773.10 = 256,041.80/x
  3. Step 3: Cross multiply
    537,129.80x = 804,773.10 × 256,041.80
  4. Step 4: Simplify right side
    537,129.80x = 206,055,553,115.58
  5. Step 5: Solve for x
    x = 206,055,553,115.58/537,129.80
  6. Step 6: Final answer
    x = 383,623.39

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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.