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Finding the Fourth Proportional to 223,800.30, 335,700.45 and 220,109.74

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Solution

The fourth proportional to 223,800.30, 335,700.45 and 220,109.74 is: 330,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,800.30 : 335,700.45 = 220,109.74 : x
  2. Step 2: Convert to fraction form
    223,800.30/335,700.45 = 220,109.74/x
  3. Step 3: Cross multiply
    223,800.30x = 335,700.45 × 220,109.74
  4. Step 4: Simplify right side
    223,800.30x = 73,890,937,928.13
  5. Step 5: Solve for x
    x = 73,890,937,928.13/223,800.30
  6. Step 6: Final answer
    x = 330,164.61

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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.