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Finding the Fourth Proportional to 652,387.08, 978,568.26 and 268,054.22

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Solution

The fourth proportional to 652,387.08, 978,568.26 and 268,054.22 is: 402,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,387.08 : 978,568.26 = 268,054.22 : x
  2. Step 2: Convert to fraction form
    652,387.08/978,568.26 = 268,054.22/x
  3. Step 3: Cross multiply
    652,387.08x = 978,568.26 × 268,054.22
  4. Step 4: Simplify right side
    652,387.08x = 262,309,351,651.06
  5. Step 5: Solve for x
    x = 262,309,351,651.06/652,387.08
  6. Step 6: Final answer
    x = 402,076.25

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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.