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Finding the Fourth Proportional to 667,598, 1,001,522.56 and 268,270.44

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Solution

The fourth proportional to 667,598, 1,001,522.56 and 268,270.44 is: 402,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,598 : 1,001,522.56 = 268,270.44 : x
  2. Step 2: Convert to fraction form
    667,598/1,001,522.56 = 268,270.44/x
  3. Step 3: Cross multiply
    667,598x = 1,001,522.56 × 268,270.44
  4. Step 4: Simplify right side
    667,598x = 268,678,897,841.13
  5. Step 5: Solve for x
    x = 268,678,897,841.13/667,598
  6. Step 6: Final answer
    x = 402,456.12

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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.