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Finding the Fourth Proportional to 416,525.11, 574,803.81 and 225,539.06

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Solution

The fourth proportional to 416,525.11, 574,803.81 and 225,539.06 is: 311,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,525.11 : 574,803.81 = 225,539.06 : x
  2. Step 2: Convert to fraction form
    416,525.11/574,803.81 = 225,539.06/x
  3. Step 3: Cross multiply
    416,525.11x = 574,803.81 × 225,539.06
  4. Step 4: Simplify right side
    416,525.11x = 129,640,708,117.80
  5. Step 5: Solve for x
    x = 129,640,708,117.80/416,525.11
  6. Step 6: Final answer
    x = 311,243.44

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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.