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Finding the Fourth Proportional to 636,834.56, 955,144.55 and 181,393.76

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Solution

The fourth proportional to 636,834.56, 955,144.55 and 181,393.76 is: 272,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,834.56 : 955,144.55 = 181,393.76 : x
  2. Step 2: Convert to fraction form
    636,834.56/955,144.55 = 181,393.76/x
  3. Step 3: Cross multiply
    636,834.56x = 955,144.55 × 181,393.76
  4. Step 4: Simplify right side
    636,834.56x = 173,257,261,268.01
  5. Step 5: Solve for x
    x = 173,257,261,268.01/636,834.56
  6. Step 6: Final answer
    x = 272,060.08

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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.