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Finding the Fourth Proportional to 580,432.77, 800,953.31 and 325,734.75

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Solution

The fourth proportional to 580,432.77, 800,953.31 and 325,734.75 is: 449,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,432.77 : 800,953.31 = 325,734.75 : x
  2. Step 2: Convert to fraction form
    580,432.77/800,953.31 = 325,734.75/x
  3. Step 3: Cross multiply
    580,432.77x = 800,953.31 × 325,734.75
  4. Step 4: Simplify right side
    580,432.77x = 260,898,327,008.86
  5. Step 5: Solve for x
    x = 260,898,327,008.86/580,432.77
  6. Step 6: Final answer
    x = 449,489.31

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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.