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Finding the Fourth Proportional to 695,708.80, 1,043,136.72 and 296,122

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Solution

The fourth proportional to 695,708.80, 1,043,136.72 and 296,122 is: 444,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,708.80 : 1,043,136.72 = 296,122 : x
  2. Step 2: Convert to fraction form
    695,708.80/1,043,136.72 = 296,122/x
  3. Step 3: Cross multiply
    695,708.80x = 1,043,136.72 × 296,122
  4. Step 4: Simplify right side
    695,708.80x = 308,895,731,799.84
  5. Step 5: Solve for x
    x = 308,895,731,799.84/695,708.80
  6. Step 6: Final answer
    x = 444,001.47

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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.