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Finding the Fourth Proportional to 1,335.93, 2,003.58 and 362.04

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Solution

The fourth proportional to 1,335.93, 2,003.58 and 362.04 is: 542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.93 : 2,003.58 = 362.04 : x
  2. Step 2: Convert to fraction form
    1,335.93/2,003.58 = 362.04/x
  3. Step 3: Cross multiply
    1,335.93x = 2,003.58 × 362.04
  4. Step 4: Simplify right side
    1,335.93x = 725,376.10
  5. Step 5: Solve for x
    x = 725,376.10/1,335.93
  6. Step 6: Final answer
    x = 542.97

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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.