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Finding the Fourth Proportional to 286,726.26, 430,079.55 and 73,496.26

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Solution

The fourth proportional to 286,726.26, 430,079.55 and 73,496.26 is: 110,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,726.26 : 430,079.55 = 73,496.26 : x
  2. Step 2: Convert to fraction form
    286,726.26/430,079.55 = 73,496.26/x
  3. Step 3: Cross multiply
    286,726.26x = 430,079.55 × 73,496.26
  4. Step 4: Simplify right side
    286,726.26x = 31,609,238,427.48
  5. Step 5: Solve for x
    x = 31,609,238,427.48/286,726.26
  6. Step 6: Final answer
    x = 110,241.87

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1.5x scale

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.