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Finding the Fourth Proportional to 547,060.31, 819,900.20 and 277,256.24

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Solution

The fourth proportional to 547,060.31, 819,900.20 and 277,256.24 is: 415,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,060.31 : 819,900.20 = 277,256.24 : x
  2. Step 2: Convert to fraction form
    547,060.31/819,900.20 = 277,256.24/x
  3. Step 3: Cross multiply
    547,060.31x = 819,900.20 × 277,256.24
  4. Step 4: Simplify right side
    547,060.31x = 227,322,445,240.97
  5. Step 5: Solve for x
    x = 227,322,445,240.97/547,060.31
  6. Step 6: Final answer
    x = 415,534.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.