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Finding the Fourth Proportional to 415,586.62, 573,512.16 and 224,599.56

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Solution

The fourth proportional to 415,586.62, 573,512.16 and 224,599.56 is: 309,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,586.62 : 573,512.16 = 224,599.56 : x
  2. Step 2: Convert to fraction form
    415,586.62/573,512.16 = 224,599.56/x
  3. Step 3: Cross multiply
    415,586.62x = 573,512.16 × 224,599.56
  4. Step 4: Simplify right side
    415,586.62x = 128,810,578,790.65
  5. Step 5: Solve for x
    x = 128,810,578,790.65/415,586.62
  6. Step 6: Final answer
    x = 309,948.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.