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Finding the Fourth Proportional to 474,376.82, 654,645.15 and 259,512.26

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Solution

The fourth proportional to 474,376.82, 654,645.15 and 259,512.26 is: 358,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,376.82 : 654,645.15 = 259,512.26 : x
  2. Step 2: Convert to fraction form
    474,376.82/654,645.15 = 259,512.26/x
  3. Step 3: Cross multiply
    474,376.82x = 654,645.15 × 259,512.26
  4. Step 4: Simplify right side
    474,376.82x = 169,888,439,101.31
  5. Step 5: Solve for x
    x = 169,888,439,101.31/474,376.82
  6. Step 6: Final answer
    x = 358,129.73

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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.