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Finding the Fourth Proportional to 336,031.20, 504,277.20 and 149,176.80

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Solution

The fourth proportional to 336,031.20, 504,277.20 and 149,176.80 is: 223,867.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,031.20 : 504,277.20 = 149,176.80 : x
  2. Step 2: Convert to fraction form
    336,031.20/504,277.20 = 149,176.80/x
  3. Step 3: Cross multiply
    336,031.20x = 504,277.20 × 149,176.80
  4. Step 4: Simplify right side
    336,031.20x = 75,226,459,008.96
  5. Step 5: Solve for x
    x = 75,226,459,008.96/336,031.20
  6. Step 6: Final answer
    x = 223,867.48

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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.