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Finding the Fourth Proportional to 363,736.64, 545,011.68 and 223,198.40

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Solution

The fourth proportional to 363,736.64, 545,011.68 and 223,198.40 is: 334,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,736.64 : 545,011.68 = 223,198.40 : x
  2. Step 2: Convert to fraction form
    363,736.64/545,011.68 = 223,198.40/x
  3. Step 3: Cross multiply
    363,736.64x = 545,011.68 × 223,198.40
  4. Step 4: Simplify right side
    363,736.64x = 121,645,734,957.31
  5. Step 5: Solve for x
    x = 121,645,734,957.31/363,736.64
  6. Step 6: Final answer
    x = 334,433.55

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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.