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Finding the Fourth Proportional to 552,552.40, 828,828.60 and 548,615.80

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Solution

The fourth proportional to 552,552.40, 828,828.60 and 548,615.80 is: 822,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,552.40 : 828,828.60 = 548,615.80 : x
  2. Step 2: Convert to fraction form
    552,552.40/828,828.60 = 548,615.80/x
  3. Step 3: Cross multiply
    552,552.40x = 828,828.60 × 548,615.80
  4. Step 4: Simplify right side
    552,552.40x = 454,708,465,451.88
  5. Step 5: Solve for x
    x = 454,708,465,451.88/552,552.40
  6. Step 6: Final answer
    x = 822,923.70

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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.