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Finding the Fourth Proportional to 594.76, 891.74 and 286.68

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Solution

The fourth proportional to 594.76, 891.74 and 286.68 is: 429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.76 : 891.74 = 286.68 : x
  2. Step 2: Convert to fraction form
    594.76/891.74 = 286.68/x
  3. Step 3: Cross multiply
    594.76x = 891.74 × 286.68
  4. Step 4: Simplify right side
    594.76x = 255,644.02
  5. Step 5: Solve for x
    x = 255,644.02/594.76
  6. Step 6: Final answer
    x = 429.83

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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.