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Finding the Fourth Proportional to 351,454.60, 527,181.90 and 334,251.40

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Solution

The fourth proportional to 351,454.60, 527,181.90 and 334,251.40 is: 501,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,454.60 : 527,181.90 = 334,251.40 : x
  2. Step 2: Convert to fraction form
    351,454.60/527,181.90 = 334,251.40/x
  3. Step 3: Cross multiply
    351,454.60x = 527,181.90 × 334,251.40
  4. Step 4: Simplify right side
    351,454.60x = 176,211,288,129.66
  5. Step 5: Solve for x
    x = 176,211,288,129.66/351,454.60
  6. Step 6: Final answer
    x = 501,377.10

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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.