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Finding the Fourth Proportional to 502,477.02, 753,553.56 and 165,437.43

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Solution

The fourth proportional to 502,477.02, 753,553.56 and 165,437.43 is: 248,102.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,477.02 : 753,553.56 = 165,437.43 : x
  2. Step 2: Convert to fraction form
    502,477.02/753,553.56 = 165,437.43/x
  3. Step 3: Cross multiply
    502,477.02x = 753,553.56 × 165,437.43
  4. Step 4: Simplify right side
    502,477.02x = 124,665,964,333.75
  5. Step 5: Solve for x
    x = 124,665,964,333.75/502,477.02
  6. Step 6: Final answer
    x = 248,102.82

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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.