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Finding the Fourth Proportional to 589,168.96, 813,088.01 and 443,718.20

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Solution

The fourth proportional to 589,168.96, 813,088.01 and 443,718.20 is: 612,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,168.96 : 813,088.01 = 443,718.20 : x
  2. Step 2: Convert to fraction form
    589,168.96/813,088.01 = 443,718.20/x
  3. Step 3: Cross multiply
    589,168.96x = 813,088.01 × 443,718.20
  4. Step 4: Simplify right side
    589,168.96x = 360,781,951,380.80
  5. Step 5: Solve for x
    x = 360,781,951,380.80/589,168.96
  6. Step 6: Final answer
    x = 612,357.37

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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.