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Finding the Fourth Proportional to 1,336, 2,004.10 and 362.10

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Solution

The fourth proportional to 1,336, 2,004.10 and 362.10 is: 543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336 : 2,004.10 = 362.10 : x
  2. Step 2: Convert to fraction form
    1,336/2,004.10 = 362.10/x
  3. Step 3: Cross multiply
    1,336x = 2,004.10 × 362.10
  4. Step 4: Simplify right side
    1,336x = 725,684.61
  5. Step 5: Solve for x
    x = 725,684.61/1,336
  6. Step 6: Final answer
    x = 543.18

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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.