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Finding the Fourth Proportional to 552,508.10, 828,680.13 and 153,107.22

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Solution

The fourth proportional to 552,508.10, 828,680.13 and 153,107.22 is: 229,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,508.10 : 828,680.13 = 153,107.22 : x
  2. Step 2: Convert to fraction form
    552,508.10/828,680.13 = 153,107.22/x
  3. Step 3: Cross multiply
    552,508.10x = 828,680.13 × 153,107.22
  4. Step 4: Simplify right side
    552,508.10x = 126,876,914,081.09
  5. Step 5: Solve for x
    x = 126,876,914,081.09/552,508.10
  6. Step 6: Final answer
    x = 229,638.11

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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.