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Finding the Fourth Proportional to 480,883.54, 721,125.83 and 177,294.96

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Solution

The fourth proportional to 480,883.54, 721,125.83 and 177,294.96 is: 265,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,883.54 : 721,125.83 = 177,294.96 : x
  2. Step 2: Convert to fraction form
    480,883.54/721,125.83 = 177,294.96/x
  3. Step 3: Cross multiply
    480,883.54x = 721,125.83 × 177,294.96
  4. Step 4: Simplify right side
    480,883.54x = 127,851,978,545.64
  5. Step 5: Solve for x
    x = 127,851,978,545.64/480,883.54
  6. Step 6: Final answer
    x = 265,868.90

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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.