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Finding the Fourth Proportional to 552,164.40, 828,133.20 and 152,704.80

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Solution

The fourth proportional to 552,164.40, 828,133.20 and 152,704.80 is: 229,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,164.40 : 828,133.20 = 152,704.80 : x
  2. Step 2: Convert to fraction form
    552,164.40/828,133.20 = 152,704.80/x
  3. Step 3: Cross multiply
    552,164.40x = 828,133.20 × 152,704.80
  4. Step 4: Simplify right side
    552,164.40x = 126,459,914,679.36
  5. Step 5: Solve for x
    x = 126,459,914,679.36/552,164.40
  6. Step 6: Final answer
    x = 229,025.84

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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.