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Finding the Fourth Proportional to 442,039.02, 663,254.56 and 231,626.94

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Solution

The fourth proportional to 442,039.02, 663,254.56 and 231,626.94 is: 347,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,039.02 : 663,254.56 = 231,626.94 : x
  2. Step 2: Convert to fraction form
    442,039.02/663,254.56 = 231,626.94/x
  3. Step 3: Cross multiply
    442,039.02x = 663,254.56 × 231,626.94
  4. Step 4: Simplify right side
    442,039.02x = 153,627,624,173.85
  5. Step 5: Solve for x
    x = 153,627,624,173.85/442,039.02
  6. Step 6: Final answer
    x = 347,543.13

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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.