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Finding the Fourth Proportional to 340.02, 469.16 and 200.14

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Solution

The fourth proportional to 340.02, 469.16 and 200.14 is: 276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.02 : 469.16 = 200.14 : x
  2. Step 2: Convert to fraction form
    340.02/469.16 = 200.14/x
  3. Step 3: Cross multiply
    340.02x = 469.16 × 200.14
  4. Step 4: Simplify right side
    340.02x = 93,897.68
  5. Step 5: Solve for x
    x = 93,897.68/340.02
  6. Step 6: Final answer
    x = 276.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.