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Finding the Fourth Proportional to 550,432.08, 825,648.84 and 151,078.32

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Solution

The fourth proportional to 550,432.08, 825,648.84 and 151,078.32 is: 226,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,432.08 : 825,648.84 = 151,078.32 : x
  2. Step 2: Convert to fraction form
    550,432.08/825,648.84 = 151,078.32/x
  3. Step 3: Cross multiply
    550,432.08x = 825,648.84 × 151,078.32
  4. Step 4: Simplify right side
    550,432.08x = 124,737,639,657.15
  5. Step 5: Solve for x
    x = 124,737,639,657.15/550,432.08
  6. Step 6: Final answer
    x = 226,617.68

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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.