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Finding the Fourth Proportional to 695,565.68, 959,866.20 and 377,613.68

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Solution

The fourth proportional to 695,565.68, 959,866.20 and 377,613.68 is: 521,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,565.68 : 959,866.20 = 377,613.68 : x
  2. Step 2: Convert to fraction form
    695,565.68/959,866.20 = 377,613.68/x
  3. Step 3: Cross multiply
    695,565.68x = 959,866.20 × 377,613.68
  4. Step 4: Simplify right side
    695,565.68x = 362,458,608,089.62
  5. Step 5: Solve for x
    x = 362,458,608,089.62/695,565.68
  6. Step 6: Final answer
    x = 521,099.04

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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.