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Finding the Fourth Proportional to 569,139.58, 785,560.17 and 327,446.92

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Solution

The fourth proportional to 569,139.58, 785,560.17 and 327,446.92 is: 451,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,139.58 : 785,560.17 = 327,446.92 : x
  2. Step 2: Convert to fraction form
    569,139.58/785,560.17 = 327,446.92/x
  3. Step 3: Cross multiply
    569,139.58x = 785,560.17 × 327,446.92
  4. Step 4: Simplify right side
    569,139.58x = 257,229,258,141.18
  5. Step 5: Solve for x
    x = 257,229,258,141.18/569,139.58
  6. Step 6: Final answer
    x = 451,961.64

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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.