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Finding the Fourth Proportional to 406,026.52, 608,339.76 and 269,165.68

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Solution

The fourth proportional to 406,026.52, 608,339.76 and 269,165.68 is: 403,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,026.52 : 608,339.76 = 269,165.68 : x
  2. Step 2: Convert to fraction form
    406,026.52/608,339.76 = 269,165.68/x
  3. Step 3: Cross multiply
    406,026.52x = 608,339.76 × 269,165.68
  4. Step 4: Simplify right side
    406,026.52x = 163,744,185,171.44
  5. Step 5: Solve for x
    x = 163,744,185,171.44/406,026.52
  6. Step 6: Final answer
    x = 403,284.46

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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.