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Finding the Fourth Proportional to 351,680.60, 528,006.90 and 226,098.20

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Solution

The fourth proportional to 351,680.60, 528,006.90 and 226,098.20 is: 339,459.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,680.60 : 528,006.90 = 226,098.20 : x
  2. Step 2: Convert to fraction form
    351,680.60/528,006.90 = 226,098.20/x
  3. Step 3: Cross multiply
    351,680.60x = 528,006.90 × 226,098.20
  4. Step 4: Simplify right side
    351,680.60x = 119,381,409,677.58
  5. Step 5: Solve for x
    x = 119,381,409,677.58/351,680.60
  6. Step 6: Final answer
    x = 339,459.75

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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.