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Finding the Fourth Proportional to 1,755,543, 2,633,315.58 and 425,847

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Solution

The fourth proportional to 1,755,543, 2,633,315.58 and 425,847 is: 638,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,543 : 2,633,315.58 = 425,847 : x
  2. Step 2: Convert to fraction form
    1,755,543/2,633,315.58 = 425,847/x
  3. Step 3: Cross multiply
    1,755,543x = 2,633,315.58 × 425,847
  4. Step 4: Simplify right side
    1,755,543x = 1,121,389,539,796.26
  5. Step 5: Solve for x
    x = 1,121,389,539,796.26/1,755,543
  6. Step 6: Final answer
    x = 638,770.76

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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.