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Finding the Fourth Proportional to 297,883.09, 410,906.59 and 188,945.92

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Solution

The fourth proportional to 297,883.09, 410,906.59 and 188,945.92 is: 260,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,883.09 : 410,906.59 = 188,945.92 : x
  2. Step 2: Convert to fraction form
    297,883.09/410,906.59 = 188,945.92/x
  3. Step 3: Cross multiply
    297,883.09x = 410,906.59 × 188,945.92
  4. Step 4: Simplify right side
    297,883.09x = 77,639,123,681.61
  5. Step 5: Solve for x
    x = 77,639,123,681.61/297,883.09
  6. Step 6: Final answer
    x = 260,636.22

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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.