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Finding the Fourth Proportional to 750,441.78, 1,034,910 and 694,709.73

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Solution

The fourth proportional to 750,441.78, 1,034,910 and 694,709.73 is: 958,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,441.78 : 1,034,910 = 694,709.73 : x
  2. Step 2: Convert to fraction form
    750,441.78/1,034,910 = 694,709.73/x
  3. Step 3: Cross multiply
    750,441.78x = 1,034,910 × 694,709.73
  4. Step 4: Simplify right side
    750,441.78x = 718,962,046,674.30
  5. Step 5: Solve for x
    x = 718,962,046,674.30/750,441.78
  6. Step 6: Final answer
    x = 958,051.73

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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.