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Finding the Fourth Proportional to 474,154.56, 654,330.96 and 259,290.72

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Solution

The fourth proportional to 474,154.56, 654,330.96 and 259,290.72 is: 357,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,154.56 : 654,330.96 = 259,290.72 : x
  2. Step 2: Convert to fraction form
    474,154.56/654,330.96 = 259,290.72/x
  3. Step 3: Cross multiply
    474,154.56x = 654,330.96 × 259,290.72
  4. Step 4: Simplify right side
    474,154.56x = 169,661,945,736.69
  5. Step 5: Solve for x
    x = 169,661,945,736.69/474,154.56
  6. Step 6: Final answer
    x = 357,819.92

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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.