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Finding the Fourth Proportional to 591.98, 887.76 and 207.14

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Solution

The fourth proportional to 591.98, 887.76 and 207.14 is: 310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.98 : 887.76 = 207.14 : x
  2. Step 2: Convert to fraction form
    591.98/887.76 = 207.14/x
  3. Step 3: Cross multiply
    591.98x = 887.76 × 207.14
  4. Step 4: Simplify right side
    591.98x = 183,890.61
  5. Step 5: Solve for x
    x = 183,890.61/591.98
  6. Step 6: Final answer
    x = 310.64

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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.