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Finding the Fourth Proportional to 197,647.20, 296,499.56 and 64,494.68

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Solution

The fourth proportional to 197,647.20, 296,499.56 and 64,494.68 is: 96,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,647.20 : 296,499.56 = 64,494.68 : x
  2. Step 2: Convert to fraction form
    197,647.20/296,499.56 = 64,494.68/x
  3. Step 3: Cross multiply
    197,647.20x = 296,499.56 × 64,494.68
  4. Step 4: Simplify right side
    197,647.20x = 19,122,642,437.37
  5. Step 5: Solve for x
    x = 19,122,642,437.37/197,647.20
  6. Step 6: Final answer
    x = 96,751.40

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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.