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Finding the Fourth Proportional to 197,491.61, 296,268.14 and 64,340.89

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Solution

The fourth proportional to 197,491.61, 296,268.14 and 64,340.89 is: 96,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,491.61 : 296,268.14 = 64,340.89 : x
  2. Step 2: Convert to fraction form
    197,491.61/296,268.14 = 64,340.89/x
  3. Step 3: Cross multiply
    197,491.61x = 296,268.14 × 64,340.89
  4. Step 4: Simplify right side
    197,491.61x = 19,062,155,226.43
  5. Step 5: Solve for x
    x = 19,062,155,226.43/197,491.61
  6. Step 6: Final answer
    x = 96,521.34

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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.