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Finding the Fourth Proportional to 552,459.88, 828,687.44 and 153,099.52

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Solution

The fourth proportional to 552,459.88, 828,687.44 and 153,099.52 is: 229,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,459.88 : 828,687.44 = 153,099.52 : x
  2. Step 2: Convert to fraction form
    552,459.88/828,687.44 = 153,099.52/x
  3. Step 3: Cross multiply
    552,459.88x = 828,687.44 × 153,099.52
  4. Step 4: Simplify right side
    552,459.88x = 126,871,649,294.03
  5. Step 5: Solve for x
    x = 126,871,649,294.03/552,459.88
  6. Step 6: Final answer
    x = 229,648.62

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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.