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Finding the Fourth Proportional to 868,018.96, 1,304,029.56 and 832,147.30

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Solution

The fourth proportional to 868,018.96, 1,304,029.56 and 832,147.30 is: 1,250,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,018.96 : 1,304,029.56 = 832,147.30 : x
  2. Step 2: Convert to fraction form
    868,018.96/1,304,029.56 = 832,147.30/x
  3. Step 3: Cross multiply
    868,018.96x = 1,304,029.56 × 832,147.30
  4. Step 4: Simplify right side
    868,018.96x = 1,085,144,670,954.04
  5. Step 5: Solve for x
    x = 1,085,144,670,954.04/868,018.96
  6. Step 6: Final answer
    x = 1,250,139.37

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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.