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Finding the Fourth Proportional to 474,397.92, 654,698.16 and 273,258.72

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Solution

The fourth proportional to 474,397.92, 654,698.16 and 273,258.72 is: 377,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,397.92 : 654,698.16 = 273,258.72 : x
  2. Step 2: Convert to fraction form
    474,397.92/654,698.16 = 273,258.72/x
  3. Step 3: Cross multiply
    474,397.92x = 654,698.16 × 273,258.72
  4. Step 4: Simplify right side
    474,397.92x = 178,901,981,187.96
  5. Step 5: Solve for x
    x = 178,901,981,187.96/474,397.92
  6. Step 6: Final answer
    x = 377,113.76

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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.