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Finding the Fourth Proportional to 476,115.88, 713,227.88 and 262,353.59

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Solution

The fourth proportional to 476,115.88, 713,227.88 and 262,353.59 is: 393,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,115.88 : 713,227.88 = 262,353.59 : x
  2. Step 2: Convert to fraction form
    476,115.88/713,227.88 = 262,353.59/x
  3. Step 3: Cross multiply
    476,115.88x = 713,227.88 × 262,353.59
  4. Step 4: Simplify right side
    476,115.88x = 187,117,894,806.09
  5. Step 5: Solve for x
    x = 187,117,894,806.09/476,115.88
  6. Step 6: Final answer
    x = 393,009.15

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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.