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Finding the Fourth Proportional to 496,155.40, 744,233.10 and 159,195.40

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Solution

The fourth proportional to 496,155.40, 744,233.10 and 159,195.40 is: 238,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,155.40 : 744,233.10 = 159,195.40 : x
  2. Step 2: Convert to fraction form
    496,155.40/744,233.10 = 159,195.40/x
  3. Step 3: Cross multiply
    496,155.40x = 744,233.10 × 159,195.40
  4. Step 4: Simplify right side
    496,155.40x = 118,478,486,047.74
  5. Step 5: Solve for x
    x = 118,478,486,047.74/496,155.40
  6. Step 6: Final answer
    x = 238,793.10

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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.