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Finding the Fourth Proportional to 580,555.32, 801,168.28 and 322,432.88

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Solution

The fourth proportional to 580,555.32, 801,168.28 and 322,432.88 is: 444,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,555.32 : 801,168.28 = 322,432.88 : x
  2. Step 2: Convert to fraction form
    580,555.32/801,168.28 = 322,432.88/x
  3. Step 3: Cross multiply
    580,555.32x = 801,168.28 × 322,432.88
  4. Step 4: Simplify right side
    580,555.32x = 258,322,995,885.05
  5. Step 5: Solve for x
    x = 258,322,995,885.05/580,555.32
  6. Step 6: Final answer
    x = 444,958.45

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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.