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Finding the Fourth Proportional to 1,341.94, 2,013.02 and 368.12

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Solution

The fourth proportional to 1,341.94, 2,013.02 and 368.12 is: 552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.94 : 2,013.02 = 368.12 : x
  2. Step 2: Convert to fraction form
    1,341.94/2,013.02 = 368.12/x
  3. Step 3: Cross multiply
    1,341.94x = 2,013.02 × 368.12
  4. Step 4: Simplify right side
    1,341.94x = 741,032.92
  5. Step 5: Solve for x
    x = 741,032.92/1,341.94
  6. Step 6: Final answer
    x = 552.21

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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.