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Finding the Fourth Proportional to 552,198.40, 828,297.60 and 403,482.40

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Solution

The fourth proportional to 552,198.40, 828,297.60 and 403,482.40 is: 605,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,198.40 : 828,297.60 = 403,482.40 : x
  2. Step 2: Convert to fraction form
    552,198.40/828,297.60 = 403,482.40/x
  3. Step 3: Cross multiply
    552,198.40x = 828,297.60 × 403,482.40
  4. Step 4: Simplify right side
    552,198.40x = 334,203,503,562.24
  5. Step 5: Solve for x
    x = 334,203,503,562.24/552,198.40
  6. Step 6: Final answer
    x = 605,223.60

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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.