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Finding the Fourth Proportional to 501,641.96, 752,460.90 and 181,719.04

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Solution

The fourth proportional to 501,641.96, 752,460.90 and 181,719.04 is: 272,577.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,641.96 : 752,460.90 = 181,719.04 : x
  2. Step 2: Convert to fraction form
    501,641.96/752,460.90 = 181,719.04/x
  3. Step 3: Cross multiply
    501,641.96x = 752,460.90 × 181,719.04
  4. Step 4: Simplify right side
    501,641.96x = 136,736,472,385.54
  5. Step 5: Solve for x
    x = 136,736,472,385.54/501,641.96
  6. Step 6: Final answer
    x = 272,577.82

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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.