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Finding the Fourth Proportional to 609,611.82, 914,461.47 and 210,246.72

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Solution

The fourth proportional to 609,611.82, 914,461.47 and 210,246.72 is: 315,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,611.82 : 914,461.47 = 210,246.72 : x
  2. Step 2: Convert to fraction form
    609,611.82/914,461.47 = 210,246.72/x
  3. Step 3: Cross multiply
    609,611.82x = 914,461.47 × 210,246.72
  4. Step 4: Simplify right side
    609,611.82x = 192,262,524,633.88
  5. Step 5: Solve for x
    x = 192,262,524,633.88/609,611.82
  6. Step 6: Final answer
    x = 315,385.17

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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.