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Finding the Fourth Proportional to 356,479.38, 533,669.31 and 341,082.90

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Solution

The fourth proportional to 356,479.38, 533,669.31 and 341,082.90 is: 510,619.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,479.38 : 533,669.31 = 341,082.90 : x
  2. Step 2: Convert to fraction form
    356,479.38/533,669.31 = 341,082.90/x
  3. Step 3: Cross multiply
    356,479.38x = 533,669.31 × 341,082.90
  4. Step 4: Simplify right side
    356,479.38x = 182,025,475,895.80
  5. Step 5: Solve for x
    x = 182,025,475,895.80/356,479.38
  6. Step 6: Final answer
    x = 510,619.93

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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.