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Finding the Fourth Proportional to 552,003.20, 774,575.95 and 552,003.20

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Solution

The fourth proportional to 552,003.20, 774,575.95 and 552,003.20 is: 774,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,003.20 : 774,575.95 = 552,003.20 : x
  2. Step 2: Convert to fraction form
    552,003.20/774,575.95 = 552,003.20/x
  3. Step 3: Cross multiply
    552,003.20x = 774,575.95 × 552,003.20
  4. Step 4: Simplify right side
    552,003.20x = 427,568,403,043.04
  5. Step 5: Solve for x
    x = 427,568,403,043.04/552,003.20
  6. Step 6: Final answer
    x = 774,575.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.