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Finding the Fourth Proportional to 552,287.76, 828,433.80 and 168,040.44

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Solution

The fourth proportional to 552,287.76, 828,433.80 and 168,040.44 is: 252,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,287.76 : 828,433.80 = 168,040.44 : x
  2. Step 2: Convert to fraction form
    552,287.76/828,433.80 = 168,040.44/x
  3. Step 3: Cross multiply
    552,287.76x = 828,433.80 × 168,040.44
  4. Step 4: Simplify right side
    552,287.76x = 139,210,380,262.87
  5. Step 5: Solve for x
    x = 139,210,380,262.87/552,287.76
  6. Step 6: Final answer
    x = 252,061.32

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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.