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Finding the Fourth Proportional to 657,224.20, 986,273.70 and 372,914.20

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Solution

The fourth proportional to 657,224.20, 986,273.70 and 372,914.20 is: 559,619.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,224.20 : 986,273.70 = 372,914.20 : x
  2. Step 2: Convert to fraction form
    657,224.20/986,273.70 = 372,914.20/x
  3. Step 3: Cross multiply
    657,224.20x = 986,273.70 × 372,914.20
  4. Step 4: Simplify right side
    657,224.20x = 367,795,467,816.54
  5. Step 5: Solve for x
    x = 367,795,467,816.54/657,224.20
  6. Step 6: Final answer
    x = 559,619.48

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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.