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Finding the Fourth Proportional to 455,432.73, 683,151.41 and 189,193.53

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Solution

The fourth proportional to 455,432.73, 683,151.41 and 189,193.53 is: 283,791.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,432.73 : 683,151.41 = 189,193.53 : x
  2. Step 2: Convert to fraction form
    455,432.73/683,151.41 = 189,193.53/x
  3. Step 3: Cross multiply
    455,432.73x = 683,151.41 × 189,193.53
  4. Step 4: Simplify right side
    455,432.73x = 129,247,826,782.38
  5. Step 5: Solve for x
    x = 129,247,826,782.38/455,432.73
  6. Step 6: Final answer
    x = 283,791.26

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1.5x scale

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.