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Finding the Fourth Proportional to 885,860.90, 1,237,405.90 and 885,860.90

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Solution

The fourth proportional to 885,860.90, 1,237,405.90 and 885,860.90 is: 1,237,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,860.90 : 1,237,405.90 = 885,860.90 : x
  2. Step 2: Convert to fraction form
    885,860.90/1,237,405.90 = 885,860.90/x
  3. Step 3: Cross multiply
    885,860.90x = 1,237,405.90 × 885,860.90
  4. Step 4: Simplify right side
    885,860.90x = 1,096,169,504,239.31
  5. Step 5: Solve for x
    x = 1,096,169,504,239.31/885,860.90
  6. Step 6: Final answer
    x = 1,237,405.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.