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Finding the Fourth Proportional to 569,219.82, 785,524.12 and 327,497.55

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Solution

The fourth proportional to 569,219.82, 785,524.12 and 327,497.55 is: 451,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,219.82 : 785,524.12 = 327,497.55 : x
  2. Step 2: Convert to fraction form
    569,219.82/785,524.12 = 327,497.55/x
  3. Step 3: Cross multiply
    569,219.82x = 785,524.12 × 327,497.55
  4. Step 4: Simplify right side
    569,219.82x = 257,257,221,001.45
  5. Step 5: Solve for x
    x = 257,257,221,001.45/569,219.82
  6. Step 6: Final answer
    x = 451,947.06

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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.