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Finding the Fourth Proportional to 474,465.56, 654,759.78 and 259,601.72

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Solution

The fourth proportional to 474,465.56, 654,759.78 and 259,601.72 is: 358,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,465.56 : 654,759.78 = 259,601.72 : x
  2. Step 2: Convert to fraction form
    474,465.56/654,759.78 = 259,601.72/x
  3. Step 3: Cross multiply
    474,465.56x = 654,759.78 × 259,601.72
  4. Step 4: Simplify right side
    474,465.56x = 169,976,765,074.82
  5. Step 5: Solve for x
    x = 169,976,765,074.82/474,465.56
  6. Step 6: Final answer
    x = 358,248.90

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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.