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Finding the Fourth Proportional to 442,297.44, 610,308.90 and 261,016.92

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Solution

The fourth proportional to 442,297.44, 610,308.90 and 261,016.92 is: 360,167.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,297.44 : 610,308.90 = 261,016.92 : x
  2. Step 2: Convert to fraction form
    442,297.44/610,308.90 = 261,016.92/x
  3. Step 3: Cross multiply
    442,297.44x = 610,308.90 × 261,016.92
  4. Step 4: Simplify right side
    442,297.44x = 159,300,949,326.59
  5. Step 5: Solve for x
    x = 159,300,949,326.59/442,297.44
  6. Step 6: Final answer
    x = 360,167.02

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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.