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Finding the Fourth Proportional to 224,640.64, 336,959.60 and 56,160.16

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Solution

The fourth proportional to 224,640.64, 336,959.60 and 56,160.16 is: 84,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,640.64 : 336,959.60 = 56,160.16 : x
  2. Step 2: Convert to fraction form
    224,640.64/336,959.60 = 56,160.16/x
  3. Step 3: Cross multiply
    224,640.64x = 336,959.60 × 56,160.16
  4. Step 4: Simplify right side
    224,640.64x = 18,923,705,049.54
  5. Step 5: Solve for x
    x = 18,923,705,049.54/224,640.64
  6. Step 6: Final answer
    x = 84,239.90

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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.