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Finding the Fourth Proportional to 592, 888.34 and 318.10

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Solution

The fourth proportional to 592, 888.34 and 318.10 is: 477.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    592 : 888.34 = 318.10 : x
  2. Step 2: Convert to fraction form
    592/888.34 = 318.10/x
  3. Step 3: Cross multiply
    592x = 888.34 × 318.10
  4. Step 4: Simplify right side
    592x = 282,580.95
  5. Step 5: Solve for x
    x = 282,580.95/592
  6. Step 6: Final answer
    x = 477.33

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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.