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Finding the Fourth Proportional to 416,990.16, 575,447.40 and 226,003.32

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Solution

The fourth proportional to 416,990.16, 575,447.40 and 226,003.32 is: 311,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,990.16 : 575,447.40 = 226,003.32 : x
  2. Step 2: Convert to fraction form
    416,990.16/575,447.40 = 226,003.32/x
  3. Step 3: Cross multiply
    416,990.16x = 575,447.40 × 226,003.32
  4. Step 4: Simplify right side
    416,990.16x = 130,053,022,885.37
  5. Step 5: Solve for x
    x = 130,053,022,885.37/416,990.16
  6. Step 6: Final answer
    x = 311,885.11

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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.