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Finding the Fourth Proportional to 240,621.20, 360,931.80 and 224,874.80

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Solution

The fourth proportional to 240,621.20, 360,931.80 and 224,874.80 is: 337,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,621.20 : 360,931.80 = 224,874.80 : x
  2. Step 2: Convert to fraction form
    240,621.20/360,931.80 = 224,874.80/x
  3. Step 3: Cross multiply
    240,621.20x = 360,931.80 × 224,874.80
  4. Step 4: Simplify right side
    240,621.20x = 81,164,466,338.64
  5. Step 5: Solve for x
    x = 81,164,466,338.64/240,621.20
  6. Step 6: Final answer
    x = 337,312.20

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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.