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Finding the Fourth Proportional to 474,321.74, 654,555.39 and 259,459.92

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Solution

The fourth proportional to 474,321.74, 654,555.39 and 259,459.92 is: 358,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,321.74 : 654,555.39 = 259,459.92 : x
  2. Step 2: Convert to fraction form
    474,321.74/654,555.39 = 259,459.92/x
  3. Step 3: Cross multiply
    474,321.74x = 654,555.39 × 259,459.92
  4. Step 4: Simplify right side
    474,321.74x = 169,830,889,124.97
  5. Step 5: Solve for x
    x = 169,830,889,124.97/474,321.74
  6. Step 6: Final answer
    x = 358,049.98

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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.