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Finding the Fourth Proportional to 589,610.08, 813,793.12 and 374,708.16

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Solution

The fourth proportional to 589,610.08, 813,793.12 and 374,708.16 is: 517,180.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,610.08 : 813,793.12 = 374,708.16 : x
  2. Step 2: Convert to fraction form
    589,610.08/813,793.12 = 374,708.16/x
  3. Step 3: Cross multiply
    589,610.08x = 813,793.12 × 374,708.16
  4. Step 4: Simplify right side
    589,610.08x = 304,934,922,615.86
  5. Step 5: Solve for x
    x = 304,934,922,615.86/589,610.08
  6. Step 6: Final answer
    x = 517,180.65

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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.