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Finding the Fourth Proportional to 455,531.40, 683,227.11 and 151,930.92

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Solution

The fourth proportional to 455,531.40, 683,227.11 and 151,930.92 is: 227,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,531.40 : 683,227.11 = 151,930.92 : x
  2. Step 2: Convert to fraction form
    455,531.40/683,227.11 = 151,930.92/x
  3. Step 3: Cross multiply
    455,531.40x = 683,227.11 × 151,930.92
  4. Step 4: Simplify right side
    455,531.40x = 103,803,323,391.24
  5. Step 5: Solve for x
    x = 103,803,323,391.24/455,531.40
  6. Step 6: Final answer
    x = 227,873.04

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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.