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Finding the Fourth Proportional to 223,502.20, 335,253.30 and 213,134.20

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Solution

The fourth proportional to 223,502.20, 335,253.30 and 213,134.20 is: 319,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,502.20 : 335,253.30 = 213,134.20 : x
  2. Step 2: Convert to fraction form
    223,502.20/335,253.30 = 213,134.20/x
  3. Step 3: Cross multiply
    223,502.20x = 335,253.30 × 213,134.20
  4. Step 4: Simplify right side
    223,502.20x = 71,453,943,892.86
  5. Step 5: Solve for x
    x = 71,453,943,892.86/223,502.20
  6. Step 6: Final answer
    x = 319,701.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.