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Finding the Fourth Proportional to 501,553.62, 752,387.51 and 181,856.05

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Solution

The fourth proportional to 501,553.62, 752,387.51 and 181,856.05 is: 272,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,553.62 : 752,387.51 = 181,856.05 : x
  2. Step 2: Convert to fraction form
    501,553.62/752,387.51 = 181,856.05/x
  3. Step 3: Cross multiply
    501,553.62x = 752,387.51 × 181,856.05
  4. Step 4: Simplify right side
    501,553.62x = 136,826,219,211.61
  5. Step 5: Solve for x
    x = 136,826,219,211.61/501,553.62
  6. Step 6: Final answer
    x = 272,804.77

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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.