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Finding the Fourth Proportional to 455,520.88, 683,211.24 and 151,920.37

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Solution

The fourth proportional to 455,520.88, 683,211.24 and 151,920.37 is: 227,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,520.88 : 683,211.24 = 151,920.37 : x
  2. Step 2: Convert to fraction form
    455,520.88/683,211.24 = 151,920.37/x
  3. Step 3: Cross multiply
    455,520.88x = 683,211.24 × 151,920.37
  4. Step 4: Simplify right side
    455,520.88x = 103,793,704,368.96
  5. Step 5: Solve for x
    x = 103,793,704,368.96/455,520.88
  6. Step 6: Final answer
    x = 227,857.18

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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.