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Finding the Fourth Proportional to 677,600.56, 935,127.48 and 409,414.96

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Solution

The fourth proportional to 677,600.56, 935,127.48 and 409,414.96 is: 565,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,600.56 : 935,127.48 = 409,414.96 : x
  2. Step 2: Convert to fraction form
    677,600.56/935,127.48 = 409,414.96/x
  3. Step 3: Cross multiply
    677,600.56x = 935,127.48 × 409,414.96
  4. Step 4: Simplify right side
    677,600.56x = 382,855,179,819.10
  5. Step 5: Solve for x
    x = 382,855,179,819.10/677,600.56
  6. Step 6: Final answer
    x = 565,016.03

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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.