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Finding the Fourth Proportional to 415,861.49, 573,889.47 and 224,874.89

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Solution

The fourth proportional to 415,861.49, 573,889.47 and 224,874.89 is: 310,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,861.49 : 573,889.47 = 224,874.89 : x
  2. Step 2: Convert to fraction form
    415,861.49/573,889.47 = 224,874.89/x
  3. Step 3: Cross multiply
    415,861.49x = 573,889.47 × 224,874.89
  4. Step 4: Simplify right side
    415,861.49x = 129,053,331,438.41
  5. Step 5: Solve for x
    x = 129,053,331,438.41/415,861.49
  6. Step 6: Final answer
    x = 310,327.68

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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.