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Finding the Fourth Proportional to 414,151.18, 620,592.60 and 278,713.24

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Solution

The fourth proportional to 414,151.18, 620,592.60 and 278,713.24 is: 417,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,151.18 : 620,592.60 = 278,713.24 : x
  2. Step 2: Convert to fraction form
    414,151.18/620,592.60 = 278,713.24/x
  3. Step 3: Cross multiply
    414,151.18x = 620,592.60 × 278,713.24
  4. Step 4: Simplify right side
    414,151.18x = 172,967,374,266.02
  5. Step 5: Solve for x
    x = 172,967,374,266.02/414,151.18
  6. Step 6: Final answer
    x = 417,643.08

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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.