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Finding the Fourth Proportional to 605,224, 907,754.28 and 250,188.76

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Solution

The fourth proportional to 605,224, 907,754.28 and 250,188.76 is: 375,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,224 : 907,754.28 = 250,188.76 : x
  2. Step 2: Convert to fraction form
    605,224/907,754.28 = 250,188.76/x
  3. Step 3: Cross multiply
    605,224x = 907,754.28 × 250,188.76
  4. Step 4: Simplify right side
    605,224x = 227,109,917,697.89
  5. Step 5: Solve for x
    x = 227,109,917,697.89/605,224
  6. Step 6: Final answer
    x = 375,249.36

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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.