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Finding the Fourth Proportional to 279,247.52, 415,712.73 and 277,586.75

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Solution

The fourth proportional to 279,247.52, 415,712.73 and 277,586.75 is: 413,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,247.52 : 415,712.73 = 277,586.75 : x
  2. Step 2: Convert to fraction form
    279,247.52/415,712.73 = 277,586.75/x
  3. Step 3: Cross multiply
    279,247.52x = 415,712.73 × 277,586.75
  4. Step 4: Simplify right side
    279,247.52x = 115,396,343,575.76
  5. Step 5: Solve for x
    x = 115,396,343,575.76/279,247.52
  6. Step 6: Final answer
    x = 413,240.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.