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Finding the Fourth Proportional to 552,260.50, 762,124.04 and 310,540.96

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Solution

The fourth proportional to 552,260.50, 762,124.04 and 310,540.96 is: 428,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,260.50 : 762,124.04 = 310,540.96 : x
  2. Step 2: Convert to fraction form
    552,260.50/762,124.04 = 310,540.96/x
  3. Step 3: Cross multiply
    552,260.50x = 762,124.04 × 310,540.96
  4. Step 4: Simplify right side
    552,260.50x = 236,670,731,585.16
  5. Step 5: Solve for x
    x = 236,670,731,585.16/552,260.50
  6. Step 6: Final answer
    x = 428,549.09

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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.