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Finding the Fourth Proportional to 270,706, 373,574.28 and 151,474

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Solution

The fourth proportional to 270,706, 373,574.28 and 151,474 is: 209,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,706 : 373,574.28 = 151,474 : x
  2. Step 2: Convert to fraction form
    270,706/373,574.28 = 151,474/x
  3. Step 3: Cross multiply
    270,706x = 373,574.28 × 151,474
  4. Step 4: Simplify right side
    270,706x = 56,586,790,488.72
  5. Step 5: Solve for x
    x = 56,586,790,488.72/270,706
  6. Step 6: Final answer
    x = 209,034.12

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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.