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Finding the Fourth Proportional to 416,593.40, 574,896.03 and 225,602.42

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Solution

The fourth proportional to 416,593.40, 574,896.03 and 225,602.42 is: 311,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,593.40 : 574,896.03 = 225,602.42 : x
  2. Step 2: Convert to fraction form
    416,593.40/574,896.03 = 225,602.42/x
  3. Step 3: Cross multiply
    416,593.40x = 574,896.03 × 225,602.42
  4. Step 4: Simplify right side
    416,593.40x = 129,697,935,616.39
  5. Step 5: Solve for x
    x = 129,697,935,616.39/416,593.40
  6. Step 6: Final answer
    x = 311,329.79

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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.