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Finding the Fourth Proportional to 631,044, 946,566 and 187,812

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Solution

The fourth proportional to 631,044, 946,566 and 187,812 is: 281,718

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,044 : 946,566 = 187,812 : x
  2. Step 2: Convert to fraction form
    631,044/946,566 = 187,812/x
  3. Step 3: Cross multiply
    631,044x = 946,566 × 187,812
  4. Step 4: Simplify right side
    631,044x = 177,776,453,592
  5. Step 5: Solve for x
    x = 177,776,453,592/631,044
  6. Step 6: Final answer
    x = 281,718

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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.