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Finding the Fourth Proportional to 393,033.04, 542,797.29 and 270,843.13

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Solution

The fourth proportional to 393,033.04, 542,797.29 and 270,843.13 is: 374,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,033.04 : 542,797.29 = 270,843.13 : x
  2. Step 2: Convert to fraction form
    393,033.04/542,797.29 = 270,843.13/x
  3. Step 3: Cross multiply
    393,033.04x = 542,797.29 × 270,843.13
  4. Step 4: Simplify right side
    393,033.04x = 147,012,916,979.12
  5. Step 5: Solve for x
    x = 147,012,916,979.12/393,033.04
  6. Step 6: Final answer
    x = 374,047.22

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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.