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Finding the Fourth Proportional to 462,654.26, 638,427.41 and 281,341.14

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Solution

The fourth proportional to 462,654.26, 638,427.41 and 281,341.14 is: 388,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,654.26 : 638,427.41 = 281,341.14 : x
  2. Step 2: Convert to fraction form
    462,654.26/638,427.41 = 281,341.14/x
  3. Step 3: Cross multiply
    462,654.26x = 638,427.41 × 281,341.14
  4. Step 4: Simplify right side
    462,654.26x = 179,615,895,336.65
  5. Step 5: Solve for x
    x = 179,615,895,336.65/462,654.26
  6. Step 6: Final answer
    x = 388,229.20

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1.5x scale

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.