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Finding the Fourth Proportional to 474,008.32, 654,131.84 and 259,144.96

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Solution

The fourth proportional to 474,008.32, 654,131.84 and 259,144.96 is: 357,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,008.32 : 654,131.84 = 259,144.96 : x
  2. Step 2: Convert to fraction form
    474,008.32/654,131.84 = 259,144.96/x
  3. Step 3: Cross multiply
    474,008.32x = 654,131.84 × 259,144.96
  4. Step 4: Simplify right side
    474,008.32x = 169,514,969,511.53
  5. Step 5: Solve for x
    x = 169,514,969,511.53/474,008.32
  6. Step 6: Final answer
    x = 357,620.24

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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.