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Finding the Fourth Proportional to 334,099.45, 501,149.18 and 156,952.45

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Solution

The fourth proportional to 334,099.45, 501,149.18 and 156,952.45 is: 235,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,099.45 : 501,149.18 = 156,952.45 : x
  2. Step 2: Convert to fraction form
    334,099.45/501,149.18 = 156,952.45/x
  3. Step 3: Cross multiply
    334,099.45x = 501,149.18 × 156,952.45
  4. Step 4: Simplify right side
    334,099.45x = 78,656,591,616.49
  5. Step 5: Solve for x
    x = 78,656,591,616.49/334,099.45
  6. Step 6: Final answer
    x = 235,428.68

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1.5x scale

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.