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Finding the Fourth Proportional to 474,003.66, 654,140.70 and 259,149.54

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Solution

The fourth proportional to 474,003.66, 654,140.70 and 259,149.54 is: 357,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,003.66 : 654,140.70 = 259,149.54 : x
  2. Step 2: Convert to fraction form
    474,003.66/654,140.70 = 259,149.54/x
  3. Step 3: Cross multiply
    474,003.66x = 654,140.70 × 259,149.54
  4. Step 4: Simplify right side
    474,003.66x = 169,520,261,500.28
  5. Step 5: Solve for x
    x = 169,520,261,500.28/474,003.66
  6. Step 6: Final answer
    x = 357,634.92

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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.