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Finding the Fourth Proportional to 591.62, 887.88 and 476.35

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Solution

The fourth proportional to 591.62, 887.88 and 476.35 is: 714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.62 : 887.88 = 476.35 : x
  2. Step 2: Convert to fraction form
    591.62/887.88 = 476.35/x
  3. Step 3: Cross multiply
    591.62x = 887.88 × 476.35
  4. Step 4: Simplify right side
    591.62x = 422,941.20
  5. Step 5: Solve for x
    x = 422,941.20/591.62
  6. Step 6: Final answer
    x = 714.89

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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.