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Finding the Fourth Proportional to 418,382.01, 627,614.53 and 134,001.14

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Solution

The fourth proportional to 418,382.01, 627,614.53 and 134,001.14 is: 201,015.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,382.01 : 627,614.53 = 134,001.14 : x
  2. Step 2: Convert to fraction form
    418,382.01/627,614.53 = 134,001.14/x
  3. Step 3: Cross multiply
    418,382.01x = 627,614.53 × 134,001.14
  4. Step 4: Simplify right side
    418,382.01x = 84,101,059,027.49
  5. Step 5: Solve for x
    x = 84,101,059,027.49/418,382.01
  6. Step 6: Final answer
    x = 201,015.00

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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.