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Finding the Fourth Proportional to 508,287.76, 701,432.04 and 281,927.44

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Solution

The fourth proportional to 508,287.76, 701,432.04 and 281,927.44 is: 389,057.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,287.76 : 701,432.04 = 281,927.44 : x
  2. Step 2: Convert to fraction form
    508,287.76/701,432.04 = 281,927.44/x
  3. Step 3: Cross multiply
    508,287.76x = 701,432.04 × 281,927.44
  4. Step 4: Simplify right side
    508,287.76x = 197,752,939,371.18
  5. Step 5: Solve for x
    x = 197,752,939,371.18/508,287.76
  6. Step 6: Final answer
    x = 389,057.06

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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.