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Finding the Fourth Proportional to 598,708.80, 898,106.40 and 361,540.80

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Solution

The fourth proportional to 598,708.80, 898,106.40 and 361,540.80 is: 542,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,708.80 : 898,106.40 = 361,540.80 : x
  2. Step 2: Convert to fraction form
    598,708.80/898,106.40 = 361,540.80/x
  3. Step 3: Cross multiply
    598,708.80x = 898,106.40 × 361,540.80
  4. Step 4: Simplify right side
    598,708.80x = 324,702,106,341.12
  5. Step 5: Solve for x
    x = 324,702,106,341.12/598,708.80
  6. Step 6: Final answer
    x = 542,337.29

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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.