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Finding the Fourth Proportional to 224,494.40, 336,738.72 and 64,574.24

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Solution

The fourth proportional to 224,494.40, 336,738.72 and 64,574.24 is: 96,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,494.40 : 336,738.72 = 64,574.24 : x
  2. Step 2: Convert to fraction form
    224,494.40/336,738.72 = 64,574.24/x
  3. Step 3: Cross multiply
    224,494.40x = 336,738.72 × 64,574.24
  4. Step 4: Simplify right side
    224,494.40x = 21,744,646,922.57
  5. Step 5: Solve for x
    x = 21,744,646,922.57/224,494.40
  6. Step 6: Final answer
    x = 96,860.53

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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.