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Finding the Fourth Proportional to 583,906.30, 875,859.45 and 343,773.70

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Solution

The fourth proportional to 583,906.30, 875,859.45 and 343,773.70 is: 515,660.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,906.30 : 875,859.45 = 343,773.70 : x
  2. Step 2: Convert to fraction form
    583,906.30/875,859.45 = 343,773.70/x
  3. Step 3: Cross multiply
    583,906.30x = 875,859.45 × 343,773.70
  4. Step 4: Simplify right side
    583,906.30x = 301,097,443,806.47
  5. Step 5: Solve for x
    x = 301,097,443,806.47/583,906.30
  6. Step 6: Final answer
    x = 515,660.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.