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Finding the Fourth Proportional to 552,723.06, 762,689.25 and 348,696.66

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Solution

The fourth proportional to 552,723.06, 762,689.25 and 348,696.66 is: 481,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,723.06 : 762,689.25 = 348,696.66 : x
  2. Step 2: Convert to fraction form
    552,723.06/762,689.25 = 348,696.66/x
  3. Step 3: Cross multiply
    552,723.06x = 762,689.25 × 348,696.66
  4. Step 4: Simplify right side
    552,723.06x = 265,947,194,092.91
  5. Step 5: Solve for x
    x = 265,947,194,092.91/552,723.06
  6. Step 6: Final answer
    x = 481,158.13

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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.