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Finding the Fourth Proportional to 402,480.50, 555,301.85 and 241,276.73

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Solution

The fourth proportional to 402,480.50, 555,301.85 and 241,276.73 is: 332,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,480.50 : 555,301.85 = 241,276.73 : x
  2. Step 2: Convert to fraction form
    402,480.50/555,301.85 = 241,276.73/x
  3. Step 3: Cross multiply
    402,480.50x = 555,301.85 × 241,276.73
  4. Step 4: Simplify right side
    402,480.50x = 133,981,410,548.06
  5. Step 5: Solve for x
    x = 133,981,410,548.06/402,480.50
  6. Step 6: Final answer
    x = 332,889.20

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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.