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Finding the Fourth Proportional to 454,041.80, 681,062.70 and 404,178.20

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Solution

The fourth proportional to 454,041.80, 681,062.70 and 404,178.20 is: 606,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,041.80 : 681,062.70 = 404,178.20 : x
  2. Step 2: Convert to fraction form
    454,041.80/681,062.70 = 404,178.20/x
  3. Step 3: Cross multiply
    454,041.80x = 681,062.70 × 404,178.20
  4. Step 4: Simplify right side
    454,041.80x = 275,270,696,173.14
  5. Step 5: Solve for x
    x = 275,270,696,173.14/454,041.80
  6. Step 6: Final answer
    x = 606,267.30

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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.