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Finding the Fourth Proportional to 474,021.32, 654,149.32 and 259,161.32

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Solution

The fourth proportional to 474,021.32, 654,149.32 and 259,161.32 is: 357,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,021.32 : 654,149.32 = 259,161.32 : x
  2. Step 2: Convert to fraction form
    474,021.32/654,149.32 = 259,161.32/x
  3. Step 3: Cross multiply
    474,021.32x = 654,149.32 × 259,161.32
  4. Step 4: Simplify right side
    474,021.32x = 169,530,202,235.77
  5. Step 5: Solve for x
    x = 169,530,202,235.77/474,021.32
  6. Step 6: Final answer
    x = 357,642.57

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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.