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Finding the Fourth Proportional to 301,229.60, 452,290.80 and 168,375.20

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Solution

The fourth proportional to 301,229.60, 452,290.80 and 168,375.20 is: 252,812.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,229.60 : 452,290.80 = 168,375.20 : x
  2. Step 2: Convert to fraction form
    301,229.60/452,290.80 = 168,375.20/x
  3. Step 3: Cross multiply
    301,229.60x = 452,290.80 × 168,375.20
  4. Step 4: Simplify right side
    301,229.60x = 76,154,553,908.16
  5. Step 5: Solve for x
    x = 76,154,553,908.16/301,229.60
  6. Step 6: Final answer
    x = 252,812.32

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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.