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Finding the Fourth Proportional to 552,013.20, 828,019.80 and 363,056.40

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Solution

The fourth proportional to 552,013.20, 828,019.80 and 363,056.40 is: 544,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,013.20 : 828,019.80 = 363,056.40 : x
  2. Step 2: Convert to fraction form
    552,013.20/828,019.80 = 363,056.40/x
  3. Step 3: Cross multiply
    552,013.20x = 828,019.80 × 363,056.40
  4. Step 4: Simplify right side
    552,013.20x = 300,617,887,716.72
  5. Step 5: Solve for x
    x = 300,617,887,716.72/552,013.20
  6. Step 6: Final answer
    x = 544,584.60

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Similar ratio
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1.5x scale

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.