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Finding the Fourth Proportional to 437,511.87, 658,631.52 and 393,519.24

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Solution

The fourth proportional to 437,511.87, 658,631.52 and 393,519.24 is: 592,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,511.87 : 658,631.52 = 393,519.24 : x
  2. Step 2: Convert to fraction form
    437,511.87/658,631.52 = 393,519.24/x
  3. Step 3: Cross multiply
    437,511.87x = 658,631.52 × 393,519.24
  4. Step 4: Simplify right side
    437,511.87x = 259,184,175,190.45
  5. Step 5: Solve for x
    x = 259,184,175,190.45/437,511.87
  6. Step 6: Final answer
    x = 592,404.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.