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Finding the Fourth Proportional to 197,471.72, 296,225.58 and 64,317.80

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Solution

The fourth proportional to 197,471.72, 296,225.58 and 64,317.80 is: 96,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,471.72 : 296,225.58 = 64,317.80 : x
  2. Step 2: Convert to fraction form
    197,471.72/296,225.58 = 64,317.80/x
  3. Step 3: Cross multiply
    197,471.72x = 296,225.58 × 64,317.80
  4. Step 4: Simplify right side
    197,471.72x = 19,052,577,609.32
  5. Step 5: Solve for x
    x = 19,052,577,609.32/197,471.72
  6. Step 6: Final answer
    x = 96,482.56

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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.