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Finding the Fourth Proportional to 415,115.04, 572,901.92 and 254,077.44

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Solution

The fourth proportional to 415,115.04, 572,901.92 and 254,077.44 is: 350,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,115.04 : 572,901.92 = 254,077.44 : x
  2. Step 2: Convert to fraction form
    415,115.04/572,901.92 = 254,077.44/x
  3. Step 3: Cross multiply
    415,115.04x = 572,901.92 × 254,077.44
  4. Step 4: Simplify right side
    415,115.04x = 145,561,453,204.69
  5. Step 5: Solve for x
    x = 145,561,453,204.69/415,115.04
  6. Step 6: Final answer
    x = 350,653.29

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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.