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Finding the Fourth Proportional to 665,301.30, 997,951.95 and 192,002.10

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Solution

The fourth proportional to 665,301.30, 997,951.95 and 192,002.10 is: 288,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,301.30 : 997,951.95 = 192,002.10 : x
  2. Step 2: Convert to fraction form
    665,301.30/997,951.95 = 192,002.10/x
  3. Step 3: Cross multiply
    665,301.30x = 997,951.95 × 192,002.10
  4. Step 4: Simplify right side
    665,301.30x = 191,608,870,099.10
  5. Step 5: Solve for x
    x = 191,608,870,099.10/665,301.30
  6. Step 6: Final answer
    x = 288,003.15

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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.