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Finding the Fourth Proportional to 866,897.64, 1,300,215.24 and 235,860.66

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Solution

The fourth proportional to 866,897.64, 1,300,215.24 and 235,860.66 is: 353,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,897.64 : 1,300,215.24 = 235,860.66 : x
  2. Step 2: Convert to fraction form
    866,897.64/1,300,215.24 = 235,860.66/x
  3. Step 3: Cross multiply
    866,897.64x = 1,300,215.24 × 235,860.66
  4. Step 4: Simplify right side
    866,897.64x = 306,669,624,648.46
  5. Step 5: Solve for x
    x = 306,669,624,648.46/866,897.64
  6. Step 6: Final answer
    x = 353,755.29

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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.