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Finding the Fourth Proportional to 223,426.92, 308,226.30 and 197,959.08

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Solution

The fourth proportional to 223,426.92, 308,226.30 and 197,959.08 is: 273,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,426.92 : 308,226.30 = 197,959.08 : x
  2. Step 2: Convert to fraction form
    223,426.92/308,226.30 = 197,959.08/x
  3. Step 3: Cross multiply
    223,426.92x = 308,226.30 × 197,959.08
  4. Step 4: Simplify right side
    223,426.92x = 61,016,194,779.80
  5. Step 5: Solve for x
    x = 61,016,194,779.80/223,426.92
  6. Step 6: Final answer
    x = 273,092.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.