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Finding the Fourth Proportional to 501,642.96, 752,462.40 and 181,720.04

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Solution

The fourth proportional to 501,642.96, 752,462.40 and 181,720.04 is: 272,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,642.96 : 752,462.40 = 181,720.04 : x
  2. Step 2: Convert to fraction form
    501,642.96/752,462.40 = 181,720.04/x
  3. Step 3: Cross multiply
    501,642.96x = 752,462.40 × 181,720.04
  4. Step 4: Simplify right side
    501,642.96x = 136,737,497,426.50
  5. Step 5: Solve for x
    x = 136,737,497,426.50/501,642.96
  6. Step 6: Final answer
    x = 272,579.32

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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.