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Finding the Fourth Proportional to 437,423.48, 603,629.62 and 267,657.60

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Solution

The fourth proportional to 437,423.48, 603,629.62 and 267,657.60 is: 369,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,423.48 : 603,629.62 = 267,657.60 : x
  2. Step 2: Convert to fraction form
    437,423.48/603,629.62 = 267,657.60/x
  3. Step 3: Cross multiply
    437,423.48x = 603,629.62 × 267,657.60
  4. Step 4: Simplify right side
    437,423.48x = 161,566,055,378.11
  5. Step 5: Solve for x
    x = 161,566,055,378.11/437,423.48
  6. Step 6: Final answer
    x = 369,358.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.