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Finding the Fourth Proportional to 356,675.54, 492,262.52 and 220,753.08

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Solution

The fourth proportional to 356,675.54, 492,262.52 and 220,753.08 is: 304,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,675.54 : 492,262.52 = 220,753.08 : x
  2. Step 2: Convert to fraction form
    356,675.54/492,262.52 = 220,753.08/x
  3. Step 3: Cross multiply
    356,675.54x = 492,262.52 × 220,753.08
  4. Step 4: Simplify right side
    356,675.54x = 108,668,466,354.80
  5. Step 5: Solve for x
    x = 108,668,466,354.80/356,675.54
  6. Step 6: Final answer
    x = 304,670.37

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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.