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Finding the Fourth Proportional to 416,596.15, 574,899.82 and 225,605.17

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Solution

The fourth proportional to 416,596.15, 574,899.82 and 225,605.17 is: 311,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,596.15 : 574,899.82 = 225,605.17 : x
  2. Step 2: Convert to fraction form
    416,596.15/574,899.82 = 225,605.17/x
  3. Step 3: Cross multiply
    416,596.15x = 574,899.82 × 225,605.17
  4. Step 4: Simplify right side
    416,596.15x = 129,700,371,624.07
  5. Step 5: Solve for x
    x = 129,700,371,624.07/416,596.15
  6. Step 6: Final answer
    x = 311,333.58

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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.