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Finding the Fourth Proportional to 437,558.60, 656,337.90 and 400,160.90

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Solution

The fourth proportional to 437,558.60, 656,337.90 and 400,160.90 is: 600,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,558.60 : 656,337.90 = 400,160.90 : x
  2. Step 2: Convert to fraction form
    437,558.60/656,337.90 = 400,160.90/x
  3. Step 3: Cross multiply
    437,558.60x = 656,337.90 × 400,160.90
  4. Step 4: Simplify right side
    437,558.60x = 262,640,764,768.11
  5. Step 5: Solve for x
    x = 262,640,764,768.11/437,558.60
  6. Step 6: Final answer
    x = 600,241.35

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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.