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Finding the Fourth Proportional to 605,197, 907,713.78 and 250,161.76

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Solution

The fourth proportional to 605,197, 907,713.78 and 250,161.76 is: 375,208.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,197 : 907,713.78 = 250,161.76 : x
  2. Step 2: Convert to fraction form
    605,197/907,713.78 = 250,161.76/x
  3. Step 3: Cross multiply
    605,197x = 907,713.78 × 250,161.76
  4. Step 4: Simplify right side
    605,197x = 227,075,276,781.05
  5. Step 5: Solve for x
    x = 227,075,276,781.05/605,197
  6. Step 6: Final answer
    x = 375,208.86

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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.