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Finding the Fourth Proportional to 591.84, 886.68 and 347.22

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Solution

The fourth proportional to 591.84, 886.68 and 347.22 is: 520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.84 : 886.68 = 347.22 : x
  2. Step 2: Convert to fraction form
    591.84/886.68 = 347.22/x
  3. Step 3: Cross multiply
    591.84x = 886.68 × 347.22
  4. Step 4: Simplify right side
    591.84x = 307,873.03
  5. Step 5: Solve for x
    x = 307,873.03/591.84
  6. Step 6: Final answer
    x = 520.20

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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.