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Finding the Fourth Proportional to 1,168.33, 1,752.80 and 346.60

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Solution

The fourth proportional to 1,168.33, 1,752.80 and 346.60 is: 519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168.33 : 1,752.80 = 346.60 : x
  2. Step 2: Convert to fraction form
    1,168.33/1,752.80 = 346.60/x
  3. Step 3: Cross multiply
    1,168.33x = 1,752.80 × 346.60
  4. Step 4: Simplify right side
    1,168.33x = 607,520.48
  5. Step 5: Solve for x
    x = 607,520.48/1,168.33
  6. Step 6: Final answer
    x = 519.99

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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.