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Finding the Fourth Proportional to 636,294.38, 954,441.77 and 187,015.32

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Solution

The fourth proportional to 636,294.38, 954,441.77 and 187,015.32 is: 280,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,294.38 : 954,441.77 = 187,015.32 : x
  2. Step 2: Convert to fraction form
    636,294.38/954,441.77 = 187,015.32/x
  3. Step 3: Cross multiply
    636,294.38x = 954,441.77 × 187,015.32
  4. Step 4: Simplify right side
    636,294.38x = 178,495,232,102.84
  5. Step 5: Solve for x
    x = 178,495,232,102.84/636,294.38
  6. Step 6: Final answer
    x = 280,523.04

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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.