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Finding the Fourth Proportional to 605,198, 907,715.28 and 250,162.76

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Solution

The fourth proportional to 605,198, 907,715.28 and 250,162.76 is: 375,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,198 : 907,715.28 = 250,162.76 : x
  2. Step 2: Convert to fraction form
    605,198/907,715.28 = 250,162.76/x
  3. Step 3: Cross multiply
    605,198x = 907,715.28 × 250,162.76
  4. Step 4: Simplify right side
    605,198x = 227,076,559,738.97
  5. Step 5: Solve for x
    x = 227,076,559,738.97/605,198
  6. Step 6: Final answer
    x = 375,210.36

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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.