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Finding the Fourth Proportional to 1,755,824.52, 2,423,234.52 and 991,927.26

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Solution

The fourth proportional to 1,755,824.52, 2,423,234.52 and 991,927.26 is: 1,368,970.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,824.52 : 2,423,234.52 = 991,927.26 : x
  2. Step 2: Convert to fraction form
    1,755,824.52/2,423,234.52 = 991,927.26/x
  3. Step 3: Cross multiply
    1,755,824.52x = 2,423,234.52 × 991,927.26
  4. Step 4: Simplify right side
    1,755,824.52x = 2,403,672,377,761.02
  5. Step 5: Solve for x
    x = 2,403,672,377,761.02/1,755,824.52
  6. Step 6: Final answer
    x = 1,368,970.73

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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.