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Finding the Fourth Proportional to 415,813.36, 573,691.44 and 254,500.24

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Solution

The fourth proportional to 415,813.36, 573,691.44 and 254,500.24 is: 351,130.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,813.36 : 573,691.44 = 254,500.24 : x
  2. Step 2: Convert to fraction form
    415,813.36/573,691.44 = 254,500.24/x
  3. Step 3: Cross multiply
    415,813.36x = 573,691.44 × 254,500.24
  4. Step 4: Simplify right side
    415,813.36x = 146,004,609,165.95
  5. Step 5: Solve for x
    x = 146,004,609,165.95/415,813.36
  6. Step 6: Final answer
    x = 351,130.15

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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.