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Finding the Fourth Proportional to 416,980.88, 575,436.46 and 225,997.46

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Solution

The fourth proportional to 416,980.88, 575,436.46 and 225,997.46 is: 311,878.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,980.88 : 575,436.46 = 225,997.46 : x
  2. Step 2: Convert to fraction form
    416,980.88/575,436.46 = 225,997.46/x
  3. Step 3: Cross multiply
    416,980.88x = 575,436.46 × 225,997.46
  4. Step 4: Simplify right side
    416,980.88x = 130,047,178,351.39
  5. Step 5: Solve for x
    x = 130,047,178,351.39/416,980.88
  6. Step 6: Final answer
    x = 311,878.04

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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.