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Finding the Fourth Proportional to 416,597.15, 574,901.20 and 225,606.17

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Solution

The fourth proportional to 416,597.15, 574,901.20 and 225,606.17 is: 311,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,597.15 : 574,901.20 = 225,606.17 : x
  2. Step 2: Convert to fraction form
    416,597.15/574,901.20 = 225,606.17/x
  3. Step 3: Cross multiply
    416,597.15x = 574,901.20 × 225,606.17
  4. Step 4: Simplify right side
    416,597.15x = 129,701,257,860.40
  5. Step 5: Solve for x
    x = 129,701,257,860.40/416,597.15
  6. Step 6: Final answer
    x = 311,334.96

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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.