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Finding the Fourth Proportional to 474,010.82, 654,135.29 and 259,147.46

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Solution

The fourth proportional to 474,010.82, 654,135.29 and 259,147.46 is: 357,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,010.82 : 654,135.29 = 259,147.46 : x
  2. Step 2: Convert to fraction form
    474,010.82/654,135.29 = 259,147.46/x
  3. Step 3: Cross multiply
    474,010.82x = 654,135.29 × 259,147.46
  4. Step 4: Simplify right side
    474,010.82x = 169,517,498,899.86
  5. Step 5: Solve for x
    x = 169,517,498,899.86/474,010.82
  6. Step 6: Final answer
    x = 357,623.69

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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.