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Finding the Fourth Proportional to 334,529.10, 501,404.85 and 134,750.70

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Solution

The fourth proportional to 334,529.10, 501,404.85 and 134,750.70 is: 201,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,529.10 : 501,404.85 = 134,750.70 : x
  2. Step 2: Convert to fraction form
    334,529.10/501,404.85 = 134,750.70/x
  3. Step 3: Cross multiply
    334,529.10x = 501,404.85 × 134,750.70
  4. Step 4: Simplify right side
    334,529.10x = 67,564,654,520.90
  5. Step 5: Solve for x
    x = 67,564,654,520.90/334,529.10
  6. Step 6: Final answer
    x = 201,969.44

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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.