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Finding the Fourth Proportional to 652,134.20, 978,201.30 and 534,036.20

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Solution

The fourth proportional to 652,134.20, 978,201.30 and 534,036.20 is: 801,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,134.20 : 978,201.30 = 534,036.20 : x
  2. Step 2: Convert to fraction form
    652,134.20/978,201.30 = 534,036.20/x
  3. Step 3: Cross multiply
    652,134.20x = 978,201.30 × 534,036.20
  4. Step 4: Simplify right side
    652,134.20x = 522,394,905,087.06
  5. Step 5: Solve for x
    x = 522,394,905,087.06/652,134.20
  6. Step 6: Final answer
    x = 801,054.30

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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.