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Finding the Fourth Proportional to 422,332.02, 633,706.20 and 197,707.68

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Solution

The fourth proportional to 422,332.02, 633,706.20 and 197,707.68 is: 296,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,332.02 : 633,706.20 = 197,707.68 : x
  2. Step 2: Convert to fraction form
    422,332.02/633,706.20 = 197,707.68/x
  3. Step 3: Cross multiply
    422,332.02x = 633,706.20 × 197,707.68
  4. Step 4: Simplify right side
    422,332.02x = 125,288,582,603.62
  5. Step 5: Solve for x
    x = 125,288,582,603.62/422,332.02
  6. Step 6: Final answer
    x = 296,658.97

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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.