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Finding the Fourth Proportional to 404,108.40, 605,773.80 and 314,101.20

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Solution

The fourth proportional to 404,108.40, 605,773.80 and 314,101.20 is: 470,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,108.40 : 605,773.80 = 314,101.20 : x
  2. Step 2: Convert to fraction form
    404,108.40/605,773.80 = 314,101.20/x
  3. Step 3: Cross multiply
    404,108.40x = 605,773.80 × 314,101.20
  4. Step 4: Simplify right side
    404,108.40x = 190,274,277,508.56
  5. Step 5: Solve for x
    x = 190,274,277,508.56/404,108.40
  6. Step 6: Final answer
    x = 470,849.60

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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.