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Finding the Fourth Proportional to 584.35, 875.61 and 492.63

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Solution

The fourth proportional to 584.35, 875.61 and 492.63 is: 738.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    584.35 : 875.61 = 492.63 : x
  2. Step 2: Convert to fraction form
    584.35/875.61 = 492.63/x
  3. Step 3: Cross multiply
    584.35x = 875.61 × 492.63
  4. Step 4: Simplify right side
    584.35x = 431,351.75
  5. Step 5: Solve for x
    x = 431,351.75/584.35
  6. Step 6: Final answer
    x = 738.17

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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.