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Finding the Fourth Proportional to 437,395.40, 603,532.56 and 243,760.82

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Solution

The fourth proportional to 437,395.40, 603,532.56 and 243,760.82 is: 336,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,395.40 : 603,532.56 = 243,760.82 : x
  2. Step 2: Convert to fraction form
    437,395.40/603,532.56 = 243,760.82/x
  3. Step 3: Cross multiply
    437,395.40x = 603,532.56 × 243,760.82
  4. Step 4: Simplify right side
    437,395.40x = 147,117,591,722.30
  5. Step 5: Solve for x
    x = 147,117,591,722.30/437,395.40
  6. Step 6: Final answer
    x = 336,349.20

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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.