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Finding the Fourth Proportional to 224,321.92, 336,543.36 and 74,586.40

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Solution

The fourth proportional to 224,321.92, 336,543.36 and 74,586.40 is: 111,899.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,321.92 : 336,543.36 = 74,586.40 : x
  2. Step 2: Convert to fraction form
    224,321.92/336,543.36 = 74,586.40/x
  3. Step 3: Cross multiply
    224,321.92x = 336,543.36 × 74,586.40
  4. Step 4: Simplify right side
    224,321.92x = 25,101,557,666.30
  5. Step 5: Solve for x
    x = 25,101,557,666.30/224,321.92
  6. Step 6: Final answer
    x = 111,899.71

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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.