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Finding the Fourth Proportional to 636,902.85, 954,072.05 and 294,864.15

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Solution

The fourth proportional to 636,902.85, 954,072.05 and 294,864.15 is: 441,702.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,902.85 : 954,072.05 = 294,864.15 : x
  2. Step 2: Convert to fraction form
    636,902.85/954,072.05 = 294,864.15/x
  3. Step 3: Cross multiply
    636,902.85x = 954,072.05 × 294,864.15
  4. Step 4: Simplify right side
    636,902.85x = 281,321,642,587.69
  5. Step 5: Solve for x
    x = 281,321,642,587.69/636,902.85
  6. Step 6: Final answer
    x = 441,702.60

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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.