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Finding the Fourth Proportional to 539,713.14, 808,924.59 and 251,134.98

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Solution

The fourth proportional to 539,713.14, 808,924.59 and 251,134.98 is: 376,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,713.14 : 808,924.59 = 251,134.98 : x
  2. Step 2: Convert to fraction form
    539,713.14/808,924.59 = 251,134.98/x
  3. Step 3: Cross multiply
    539,713.14x = 808,924.59 × 251,134.98
  4. Step 4: Simplify right side
    539,713.14x = 203,149,260,731.16
  5. Step 5: Solve for x
    x = 203,149,260,731.16/539,713.14
  6. Step 6: Final answer
    x = 376,402.29

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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.