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Finding the Fourth Proportional to 425,473.73, 587,145.81 and 231,883.02

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Solution

The fourth proportional to 425,473.73, 587,145.81 and 231,883.02 is: 319,994.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,473.73 : 587,145.81 = 231,883.02 : x
  2. Step 2: Convert to fraction form
    425,473.73/587,145.81 = 231,883.02/x
  3. Step 3: Cross multiply
    425,473.73x = 587,145.81 × 231,883.02
  4. Step 4: Simplify right side
    425,473.73x = 136,149,144,472.71
  5. Step 5: Solve for x
    x = 136,149,144,472.71/425,473.73
  6. Step 6: Final answer
    x = 319,994.24

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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.