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Finding the Fourth Proportional to 501,667.52, 752,181.14 and 330,691.92

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Solution

The fourth proportional to 501,667.52, 752,181.14 and 330,691.92 is: 495,826.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,667.52 : 752,181.14 = 330,691.92 : x
  2. Step 2: Convert to fraction form
    501,667.52/752,181.14 = 330,691.92/x
  3. Step 3: Cross multiply
    501,667.52x = 752,181.14 × 330,691.92
  4. Step 4: Simplify right side
    501,667.52x = 248,740,223,720.93
  5. Step 5: Solve for x
    x = 248,740,223,720.93/501,667.52
  6. Step 6: Final answer
    x = 495,826.85

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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.