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Finding the Fourth Proportional to 336,041.20, 504,207.60 and 169,829.20

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Solution

The fourth proportional to 336,041.20, 504,207.60 and 169,829.20 is: 254,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,041.20 : 504,207.60 = 169,829.20 : x
  2. Step 2: Convert to fraction form
    336,041.20/504,207.60 = 169,829.20/x
  3. Step 3: Cross multiply
    336,041.20x = 504,207.60 × 169,829.20
  4. Step 4: Simplify right side
    336,041.20x = 85,629,173,341.92
  5. Step 5: Solve for x
    x = 85,629,173,341.92/336,041.20
  6. Step 6: Final answer
    x = 254,817.48

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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.