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Finding the Fourth Proportional to 424,652.54, 586,002.93 and 231,061.05

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Solution

The fourth proportional to 424,652.54, 586,002.93 and 231,061.05 is: 318,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,652.54 : 586,002.93 = 231,061.05 : x
  2. Step 2: Convert to fraction form
    424,652.54/586,002.93 = 231,061.05/x
  3. Step 3: Cross multiply
    424,652.54x = 586,002.93 × 231,061.05
  4. Step 4: Simplify right side
    424,652.54x = 135,402,452,308.88
  5. Step 5: Solve for x
    x = 135,402,452,308.88/424,652.54
  6. Step 6: Final answer
    x = 318,854.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.