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Finding the Fourth Proportional to 223,300.80, 334,432.80 and 218,116.80

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Solution

The fourth proportional to 223,300.80, 334,432.80 and 218,116.80 is: 326,668.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,300.80 : 334,432.80 = 218,116.80 : x
  2. Step 2: Convert to fraction form
    223,300.80/334,432.80 = 218,116.80/x
  3. Step 3: Cross multiply
    223,300.80x = 334,432.80 × 218,116.80
  4. Step 4: Simplify right side
    223,300.80x = 72,945,412,151.04
  5. Step 5: Solve for x
    x = 72,945,412,151.04/223,300.80
  6. Step 6: Final answer
    x = 326,668.83

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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.