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Finding the Fourth Proportional to 224,339.59, 336,436.57 and 74,539.65

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Solution

The fourth proportional to 224,339.59, 336,436.57 and 74,539.65 is: 111,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,339.59 : 336,436.57 = 74,539.65 : x
  2. Step 2: Convert to fraction form
    224,339.59/336,436.57 = 74,539.65/x
  3. Step 3: Cross multiply
    224,339.59x = 336,436.57 × 74,539.65
  4. Step 4: Simplify right side
    224,339.59x = 25,077,864,175.00
  5. Step 5: Solve for x
    x = 25,077,864,175.00/224,339.59
  6. Step 6: Final answer
    x = 111,785.28

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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.