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Finding the Fourth Proportional to 197,178.30, 295,767.45 and 185,514.30

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Solution

The fourth proportional to 197,178.30, 295,767.45 and 185,514.30 is: 278,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,178.30 : 295,767.45 = 185,514.30 : x
  2. Step 2: Convert to fraction form
    197,178.30/295,767.45 = 185,514.30/x
  3. Step 3: Cross multiply
    197,178.30x = 295,767.45 × 185,514.30
  4. Step 4: Simplify right side
    197,178.30x = 54,869,091,449.54
  5. Step 5: Solve for x
    x = 54,869,091,449.54/197,178.30
  6. Step 6: Final answer
    x = 278,271.45

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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.