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Finding the Fourth Proportional to 497,744.40, 746,616.60 and 123,767.40

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Solution

The fourth proportional to 497,744.40, 746,616.60 and 123,767.40 is: 185,651.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,744.40 : 746,616.60 = 123,767.40 : x
  2. Step 2: Convert to fraction form
    497,744.40/746,616.60 = 123,767.40/x
  3. Step 3: Cross multiply
    497,744.40x = 746,616.60 × 123,767.40
  4. Step 4: Simplify right side
    497,744.40x = 92,406,795,378.84
  5. Step 5: Solve for x
    x = 92,406,795,378.84/497,744.40
  6. Step 6: Final answer
    x = 185,651.10

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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.