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Finding the Fourth Proportional to 591.84, 887.85 and 207

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Solution

The fourth proportional to 591.84, 887.85 and 207 is: 310.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.84 : 887.85 = 207 : x
  2. Step 2: Convert to fraction form
    591.84/887.85 = 207/x
  3. Step 3: Cross multiply
    591.84x = 887.85 × 207
  4. Step 4: Simplify right side
    591.84x = 183,784.95
  5. Step 5: Solve for x
    x = 183,784.95/591.84
  6. Step 6: Final answer
    x = 310.53

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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.