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Finding the Fourth Proportional to 607,542.27, 910,314.89 and 207,965.07

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Solution

The fourth proportional to 607,542.27, 910,314.89 and 207,965.07 is: 311,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,542.27 : 910,314.89 = 207,965.07 : x
  2. Step 2: Convert to fraction form
    607,542.27/910,314.89 = 207,965.07/x
  3. Step 3: Cross multiply
    607,542.27x = 910,314.89 × 207,965.07
  4. Step 4: Simplify right side
    607,542.27x = 189,313,694,229.49
  5. Step 5: Solve for x
    x = 189,313,694,229.49/607,542.27
  6. Step 6: Final answer
    x = 311,605.80

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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.