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Finding the Fourth Proportional to 487,933.67, 732,150.66 and 235,429.48

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Solution

The fourth proportional to 487,933.67, 732,150.66 and 235,429.48 is: 353,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,933.67 : 732,150.66 = 235,429.48 : x
  2. Step 2: Convert to fraction form
    487,933.67/732,150.66 = 235,429.48/x
  3. Step 3: Cross multiply
    487,933.67x = 732,150.66 × 235,429.48
  4. Step 4: Simplify right side
    487,933.67x = 172,369,847,335.08
  5. Step 5: Solve for x
    x = 172,369,847,335.08/487,933.67
  6. Step 6: Final answer
    x = 353,264.92

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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.