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Finding the Fourth Proportional to 337,679.64, 506,154.96 and 219,435.84

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Solution

The fourth proportional to 337,679.64, 506,154.96 and 219,435.84 is: 328,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,679.64 : 506,154.96 = 219,435.84 : x
  2. Step 2: Convert to fraction form
    337,679.64/506,154.96 = 219,435.84/x
  3. Step 3: Cross multiply
    337,679.64x = 506,154.96 × 219,435.84
  4. Step 4: Simplify right side
    337,679.64x = 111,068,538,817.77
  5. Step 5: Solve for x
    x = 111,068,538,817.77/337,679.64
  6. Step 6: Final answer
    x = 328,916.90

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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.