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Finding the Fourth Proportional to 424,994.67, 586,493.28 and 234,008.61

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Solution

The fourth proportional to 424,994.67, 586,493.28 and 234,008.61 is: 322,932.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,994.67 : 586,493.28 = 234,008.61 : x
  2. Step 2: Convert to fraction form
    424,994.67/586,493.28 = 234,008.61/x
  3. Step 3: Cross multiply
    424,994.67x = 586,493.28 × 234,008.61
  4. Step 4: Simplify right side
    424,994.67x = 137,244,477,227.14
  5. Step 5: Solve for x
    x = 137,244,477,227.14/424,994.67
  6. Step 6: Final answer
    x = 322,932.23

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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.