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Finding the Fourth Proportional to 885.44, 1,328.16 and 592.63

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Solution

The fourth proportional to 885.44, 1,328.16 and 592.63 is: 888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    885.44 : 1,328.16 = 592.63 : x
  2. Step 2: Convert to fraction form
    885.44/1,328.16 = 592.63/x
  3. Step 3: Cross multiply
    885.44x = 1,328.16 × 592.63
  4. Step 4: Simplify right side
    885.44x = 787,107.46
  5. Step 5: Solve for x
    x = 787,107.46/885.44
  6. Step 6: Final answer
    x = 888.95

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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.