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Finding the Fourth Proportional to 433,017.62, 649,360.36 and 148,655.18

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Solution

The fourth proportional to 433,017.62, 649,360.36 and 148,655.18 is: 222,925.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,017.62 : 649,360.36 = 148,655.18 : x
  2. Step 2: Convert to fraction form
    433,017.62/649,360.36 = 148,655.18/x
  3. Step 3: Cross multiply
    433,017.62x = 649,360.36 × 148,655.18
  4. Step 4: Simplify right side
    433,017.62x = 96,530,781,200.66
  5. Step 5: Solve for x
    x = 96,530,781,200.66/433,017.62
  6. Step 6: Final answer
    x = 222,925.76

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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.