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Finding the Fourth Proportional to 569,185.92, 785,506.80 and 327,505.20

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Solution

The fourth proportional to 569,185.92, 785,506.80 and 327,505.20 is: 451,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,185.92 : 785,506.80 = 327,505.20 : x
  2. Step 2: Convert to fraction form
    569,185.92/785,506.80 = 327,505.20/x
  3. Step 3: Cross multiply
    569,185.92x = 785,506.80 × 327,505.20
  4. Step 4: Simplify right side
    569,185.92x = 257,257,561,635.36
  5. Step 5: Solve for x
    x = 257,257,561,635.36/569,185.92
  6. Step 6: Final answer
    x = 451,974.57

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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.