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Finding the Fourth Proportional to 474,535.27, 654,842.77 and 259,660.90

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Solution

The fourth proportional to 474,535.27, 654,842.77 and 259,660.90 is: 358,323.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,535.27 : 654,842.77 = 259,660.90 : x
  2. Step 2: Convert to fraction form
    474,535.27/654,842.77 = 259,660.90/x
  3. Step 3: Cross multiply
    474,535.27x = 654,842.77 × 259,660.90
  4. Step 4: Simplify right side
    474,535.27x = 170,037,063,016.69
  5. Step 5: Solve for x
    x = 170,037,063,016.69/474,535.27
  6. Step 6: Final answer
    x = 358,323.34

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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.