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Finding the Fourth Proportional to 885,777, 1,222,437.96 and 503,926.80

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Solution

The fourth proportional to 885,777, 1,222,437.96 and 503,926.80 is: 695,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,777 : 1,222,437.96 = 503,926.80 : x
  2. Step 2: Convert to fraction form
    885,777/1,222,437.96 = 503,926.80/x
  3. Step 3: Cross multiply
    885,777x = 1,222,437.96 × 503,926.80
  4. Step 4: Simplify right side
    885,777x = 616,019,249,381.33
  5. Step 5: Solve for x
    x = 616,019,249,381.33/885,777
  6. Step 6: Final answer
    x = 695,456.36

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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.