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Finding the Fourth Proportional to 431,533.11, 595,271.82 and 270,107.88

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Solution

The fourth proportional to 431,533.11, 595,271.82 and 270,107.88 is: 372,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,533.11 : 595,271.82 = 270,107.88 : x
  2. Step 2: Convert to fraction form
    431,533.11/595,271.82 = 270,107.88/x
  3. Step 3: Cross multiply
    431,533.11x = 595,271.82 × 270,107.88
  4. Step 4: Simplify right side
    431,533.11x = 160,787,609,323.94
  5. Step 5: Solve for x
    x = 160,787,609,323.94/431,533.11
  6. Step 6: Final answer
    x = 372,596.23

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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.