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Finding the Fourth Proportional to 452,744.20, 679,116.30 and 403,755.40

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Solution

The fourth proportional to 452,744.20, 679,116.30 and 403,755.40 is: 605,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,744.20 : 679,116.30 = 403,755.40 : x
  2. Step 2: Convert to fraction form
    452,744.20/679,116.30 = 403,755.40/x
  3. Step 3: Cross multiply
    452,744.20x = 679,116.30 × 403,755.40
  4. Step 4: Simplify right side
    452,744.20x = 274,196,873,353.02
  5. Step 5: Solve for x
    x = 274,196,873,353.02/452,744.20
  6. Step 6: Final answer
    x = 605,633.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.