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Finding the Fourth Proportional to 552,464.20, 828,696.30 and 528,844.60

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Solution

The fourth proportional to 552,464.20, 828,696.30 and 528,844.60 is: 793,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,464.20 : 828,696.30 = 528,844.60 : x
  2. Step 2: Convert to fraction form
    552,464.20/828,696.30 = 528,844.60/x
  3. Step 3: Cross multiply
    552,464.20x = 828,696.30 × 528,844.60
  4. Step 4: Simplify right side
    552,464.20x = 438,251,563,294.98
  5. Step 5: Solve for x
    x = 438,251,563,294.98/552,464.20
  6. Step 6: Final answer
    x = 793,266.90

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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.