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Finding the Fourth Proportional to 569,432.90, 785,796.45 and 327,752.66

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Solution

The fourth proportional to 569,432.90, 785,796.45 and 327,752.66 is: 452,286.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,432.90 : 785,796.45 = 327,752.66 : x
  2. Step 2: Convert to fraction form
    569,432.90/785,796.45 = 327,752.66/x
  3. Step 3: Cross multiply
    569,432.90x = 785,796.45 × 327,752.66
  4. Step 4: Simplify right side
    569,432.90x = 257,546,876,706.06
  5. Step 5: Solve for x
    x = 257,546,876,706.06/569,432.90
  6. Step 6: Final answer
    x = 452,286.61

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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.