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Finding the Fourth Proportional to 646,632.27, 969,948.27 and 197,355.42

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Solution

The fourth proportional to 646,632.27, 969,948.27 and 197,355.42 is: 296,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,632.27 : 969,948.27 = 197,355.42 : x
  2. Step 2: Convert to fraction form
    646,632.27/969,948.27 = 197,355.42/x
  3. Step 3: Cross multiply
    646,632.27x = 969,948.27 × 197,355.42
  4. Step 4: Simplify right side
    646,632.27x = 191,424,548,204.12
  5. Step 5: Solve for x
    x = 191,424,548,204.12/646,632.27
  6. Step 6: Final answer
    x = 296,033.09

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Double scale
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Similar ratio
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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.