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Finding the Fourth Proportional to 1,304,562.78, 1,798,630.11 and 844,865.10

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Solution

The fourth proportional to 1,304,562.78, 1,798,630.11 and 844,865.10 is: 1,164,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,562.78 : 1,798,630.11 = 844,865.10 : x
  2. Step 2: Convert to fraction form
    1,304,562.78/1,798,630.11 = 844,865.10/x
  3. Step 3: Cross multiply
    1,304,562.78x = 1,798,630.11 × 844,865.10
  4. Step 4: Simplify right side
    1,304,562.78x = 1,519,599,807,748.16
  5. Step 5: Solve for x
    x = 1,519,599,807,748.16/1,304,562.78
  6. Step 6: Final answer
    x = 1,164,834.56

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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.