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Finding the Fourth Proportional to 609,559.71, 914,383.38 and 210,194.70

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Solution

The fourth proportional to 609,559.71, 914,383.38 and 210,194.70 is: 315,307.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,559.71 : 914,383.38 = 210,194.70 : x
  2. Step 2: Convert to fraction form
    609,559.71/914,383.38 = 210,194.70/x
  3. Step 3: Cross multiply
    609,559.71x = 914,383.38 × 210,194.70
  4. Step 4: Simplify right side
    609,559.71x = 192,198,545,318.49
  5. Step 5: Solve for x
    x = 192,198,545,318.49/609,559.71
  6. Step 6: Final answer
    x = 315,307.17

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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.