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Finding the Fourth Proportional to 543,058.04, 814,696.30 and 188,064.20

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Solution

The fourth proportional to 543,058.04, 814,696.30 and 188,064.20 is: 282,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,058.04 : 814,696.30 = 188,064.20 : x
  2. Step 2: Convert to fraction form
    543,058.04/814,696.30 = 188,064.20/x
  3. Step 3: Cross multiply
    543,058.04x = 814,696.30 × 188,064.20
  4. Step 4: Simplify right side
    543,058.04x = 153,215,207,902.46
  5. Step 5: Solve for x
    x = 153,215,207,902.46/543,058.04
  6. Step 6: Final answer
    x = 282,134.13

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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.