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Finding the Fourth Proportional to 265,700.28, 396,874.23 and 223,709.88

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Solution

The fourth proportional to 265,700.28, 396,874.23 and 223,709.88 is: 334,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700.28 : 396,874.23 = 223,709.88 : x
  2. Step 2: Convert to fraction form
    265,700.28/396,874.23 = 223,709.88/x
  3. Step 3: Cross multiply
    265,700.28x = 396,874.23 × 223,709.88
  4. Step 4: Simplify right side
    265,700.28x = 88,784,686,368.39
  5. Step 5: Solve for x
    x = 88,784,686,368.39/265,700.28
  6. Step 6: Final answer
    x = 334,153.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.