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Finding the Fourth Proportional to 437,632.60, 656,448.90 and 437,632.60

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Solution

The fourth proportional to 437,632.60, 656,448.90 and 437,632.60 is: 656,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,632.60 : 656,448.90 = 437,632.60 : x
  2. Step 2: Convert to fraction form
    437,632.60/656,448.90 = 437,632.60/x
  3. Step 3: Cross multiply
    437,632.60x = 656,448.90 × 437,632.60
  4. Step 4: Simplify right side
    437,632.60x = 287,283,438,874.14
  5. Step 5: Solve for x
    x = 287,283,438,874.14/437,632.60
  6. Step 6: Final answer
    x = 656,448.90

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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.