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Finding the Fourth Proportional to 1,575,834.22, 2,359,963.56 and 899,868.97

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Solution

The fourth proportional to 1,575,834.22, 2,359,963.56 and 899,868.97 is: 1,347,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,834.22 : 2,359,963.56 = 899,868.97 : x
  2. Step 2: Convert to fraction form
    1,575,834.22/2,359,963.56 = 899,868.97/x
  3. Step 3: Cross multiply
    1,575,834.22x = 2,359,963.56 × 899,868.97
  4. Step 4: Simplify right side
    1,575,834.22x = 2,123,657,977,974.73
  5. Step 5: Solve for x
    x = 2,123,657,977,974.73/1,575,834.22
  6. Step 6: Final answer
    x = 1,347,640.48

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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.