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Finding the Fourth Proportional to 416,586.66, 574,888.77 and 225,599.46

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Solution

The fourth proportional to 416,586.66, 574,888.77 and 225,599.46 is: 311,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,586.66 : 574,888.77 = 225,599.46 : x
  2. Step 2: Convert to fraction form
    416,586.66/574,888.77 = 225,599.46/x
  3. Step 3: Cross multiply
    416,586.66x = 574,888.77 × 225,599.46
  4. Step 4: Simplify right side
    416,586.66x = 129,694,596,072.06
  5. Step 5: Solve for x
    x = 129,694,596,072.06/416,586.66
  6. Step 6: Final answer
    x = 311,326.81

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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.