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Finding the Fourth Proportional to 578,641.93, 868,020.30 and 241,787.89

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Solution

The fourth proportional to 578,641.93, 868,020.30 and 241,787.89 is: 362,705.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,641.93 : 868,020.30 = 241,787.89 : x
  2. Step 2: Convert to fraction form
    578,641.93/868,020.30 = 241,787.89/x
  3. Step 3: Cross multiply
    578,641.93x = 868,020.30 × 241,787.89
  4. Step 4: Simplify right side
    578,641.93x = 209,876,793,016.58
  5. Step 5: Solve for x
    x = 209,876,793,016.58/578,641.93
  6. Step 6: Final answer
    x = 362,705.82

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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.