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Finding the Fourth Proportional to 268,508.48, 403,599.54 and 169,306.16

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Solution

The fourth proportional to 268,508.48, 403,599.54 and 169,306.16 is: 254,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,508.48 : 403,599.54 = 169,306.16 : x
  2. Step 2: Convert to fraction form
    268,508.48/403,599.54 = 169,306.16/x
  3. Step 3: Cross multiply
    268,508.48x = 403,599.54 × 169,306.16
  4. Step 4: Simplify right side
    268,508.48x = 68,331,888,295.17
  5. Step 5: Solve for x
    x = 68,331,888,295.17/268,508.48
  6. Step 6: Final answer
    x = 254,486.89

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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.