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Finding the Fourth Proportional to 665,334.10, 998,001.15 and 244,555.30

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Solution

The fourth proportional to 665,334.10, 998,001.15 and 244,555.30 is: 366,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,334.10 : 998,001.15 = 244,555.30 : x
  2. Step 2: Convert to fraction form
    665,334.10/998,001.15 = 244,555.30/x
  3. Step 3: Cross multiply
    665,334.10x = 998,001.15 × 244,555.30
  4. Step 4: Simplify right side
    665,334.10x = 244,066,470,638.60
  5. Step 5: Solve for x
    x = 244,066,470,638.60/665,334.10
  6. Step 6: Final answer
    x = 366,832.95

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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.