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Finding the Fourth Proportional to 415,526.82, 573,299.40 and 254,213.70

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Solution

The fourth proportional to 415,526.82, 573,299.40 and 254,213.70 is: 350,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,526.82 : 573,299.40 = 254,213.70 : x
  2. Step 2: Convert to fraction form
    415,526.82/573,299.40 = 254,213.70/x
  3. Step 3: Cross multiply
    415,526.82x = 573,299.40 × 254,213.70
  4. Step 4: Simplify right side
    415,526.82x = 145,740,561,681.78
  5. Step 5: Solve for x
    x = 145,740,561,681.78/415,526.82
  6. Step 6: Final answer
    x = 350,736.83

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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.