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Finding the Fourth Proportional to 224,344.78, 336,390.86 and 74,504.75

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Solution

The fourth proportional to 224,344.78, 336,390.86 and 74,504.75 is: 111,715.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,344.78 : 336,390.86 = 74,504.75 : x
  2. Step 2: Convert to fraction form
    224,344.78/336,390.86 = 74,504.75/x
  3. Step 3: Cross multiply
    224,344.78x = 336,390.86 × 74,504.75
  4. Step 4: Simplify right side
    224,344.78x = 25,062,715,430.89
  5. Step 5: Solve for x
    x = 25,062,715,430.89/224,344.78
  6. Step 6: Final answer
    x = 111,715.17

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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.