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Finding the Fourth Proportional to 223,663.20, 335,276.10 and 200,043.60

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Solution

The fourth proportional to 223,663.20, 335,276.10 and 200,043.60 is: 299,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,663.20 : 335,276.10 = 200,043.60 : x
  2. Step 2: Convert to fraction form
    223,663.20/335,276.10 = 200,043.60/x
  3. Step 3: Cross multiply
    223,663.20x = 335,276.10 × 200,043.60
  4. Step 4: Simplify right side
    223,663.20x = 67,069,838,037.96
  5. Step 5: Solve for x
    x = 67,069,838,037.96/223,663.20
  6. Step 6: Final answer
    x = 299,869.80

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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.