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Finding the Fourth Proportional to 502,434.78, 753,736.68 and 165,572.52

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Solution

The fourth proportional to 502,434.78, 753,736.68 and 165,572.52 is: 248,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,434.78 : 753,736.68 = 165,572.52 : x
  2. Step 2: Convert to fraction form
    502,434.78/753,736.68 = 165,572.52/x
  3. Step 3: Cross multiply
    502,434.78x = 753,736.68 × 165,572.52
  4. Step 4: Simplify right side
    502,434.78x = 124,798,081,524.03
  5. Step 5: Solve for x
    x = 124,798,081,524.03/502,434.78
  6. Step 6: Final answer
    x = 248,386.63

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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.