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Finding the Fourth Proportional to 569,596.88, 785,983.56 and 314,906.96

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Solution

The fourth proportional to 569,596.88, 785,983.56 and 314,906.96 is: 434,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,596.88 : 785,983.56 = 314,906.96 : x
  2. Step 2: Convert to fraction form
    569,596.88/785,983.56 = 314,906.96/x
  3. Step 3: Cross multiply
    569,596.88x = 785,983.56 × 314,906.96
  4. Step 4: Simplify right side
    569,596.88x = 247,511,693,489.58
  5. Step 5: Solve for x
    x = 247,511,693,489.58/569,596.88
  6. Step 6: Final answer
    x = 434,538.36

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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.