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Finding the Fourth Proportional to 609,863.25, 841,611.29 and 371,399.25

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Solution

The fourth proportional to 609,863.25, 841,611.29 and 371,399.25 is: 512,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,863.25 : 841,611.29 = 371,399.25 : x
  2. Step 2: Convert to fraction form
    609,863.25/841,611.29 = 371,399.25/x
  3. Step 3: Cross multiply
    609,863.25x = 841,611.29 × 371,399.25
  4. Step 4: Simplify right side
    609,863.25x = 312,573,800,040.54
  5. Step 5: Solve for x
    x = 312,573,800,040.54/609,863.25
  6. Step 6: Final answer
    x = 512,530.97

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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.