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Finding the Fourth Proportional to 400,614.59, 552,848.27 and 219,338.03

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Solution

The fourth proportional to 400,614.59, 552,848.27 and 219,338.03 is: 302,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,614.59 : 552,848.27 = 219,338.03 : x
  2. Step 2: Convert to fraction form
    400,614.59/552,848.27 = 219,338.03/x
  3. Step 3: Cross multiply
    400,614.59x = 552,848.27 × 219,338.03
  4. Step 4: Simplify right side
    400,614.59x = 121,260,650,716.14
  5. Step 5: Solve for x
    x = 121,260,650,716.14/400,614.59
  6. Step 6: Final answer
    x = 302,686.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.