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Finding the Fourth Proportional to 230,837.95, 316,246.51 and 222,205.78

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Solution

The fourth proportional to 230,837.95, 316,246.51 and 222,205.78 is: 304,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,837.95 : 316,246.51 = 222,205.78 : x
  2. Step 2: Convert to fraction form
    230,837.95/316,246.51 = 222,205.78/x
  3. Step 3: Cross multiply
    230,837.95x = 316,246.51 × 222,205.78
  4. Step 4: Simplify right side
    230,837.95x = 70,271,801,315.80
  5. Step 5: Solve for x
    x = 70,271,801,315.80/230,837.95
  6. Step 6: Final answer
    x = 304,420.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.