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Finding the Fourth Proportional to 1,253,869.72, 1,867,592.33 and 1,227,625.72

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Solution

The fourth proportional to 1,253,869.72, 1,867,592.33 and 1,227,625.72 is: 1,828,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,869.72 : 1,867,592.33 = 1,227,625.72 : x
  2. Step 2: Convert to fraction form
    1,253,869.72/1,867,592.33 = 1,227,625.72/x
  3. Step 3: Cross multiply
    1,253,869.72x = 1,867,592.33 × 1,227,625.72
  4. Step 4: Simplify right side
    1,253,869.72x = 2,292,704,378,782.73
  5. Step 5: Solve for x
    x = 2,292,704,378,782.73/1,253,869.72
  6. Step 6: Final answer
    x = 1,828,502.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.