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Finding the Fourth Proportional to 224,227.36, 336,340.40 and 74,479.20

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Solution

The fourth proportional to 224,227.36, 336,340.40 and 74,479.20 is: 111,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,227.36 : 336,340.40 = 74,479.20 : x
  2. Step 2: Convert to fraction form
    224,227.36/336,340.40 = 74,479.20/x
  3. Step 3: Cross multiply
    224,227.36x = 336,340.40 × 74,479.20
  4. Step 4: Simplify right side
    224,227.36x = 25,050,363,919.68
  5. Step 5: Solve for x
    x = 25,050,363,919.68/224,227.36
  6. Step 6: Final answer
    x = 111,718.59

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1.5x scale

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.