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Finding the Fourth Proportional to 416,779.92, 624,799.08 and 150,481.20

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Solution

The fourth proportional to 416,779.92, 624,799.08 and 150,481.20 is: 225,587.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,779.92 : 624,799.08 = 150,481.20 : x
  2. Step 2: Convert to fraction form
    416,779.92/624,799.08 = 150,481.20/x
  3. Step 3: Cross multiply
    416,779.92x = 624,799.08 × 150,481.20
  4. Step 4: Simplify right side
    416,779.92x = 94,020,515,317.30
  5. Step 5: Solve for x
    x = 94,020,515,317.30/416,779.92
  6. Step 6: Final answer
    x = 225,587.92

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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.