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Finding the Fourth Proportional to 663,305.22, 994,957.83 and 164,669.22

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Solution

The fourth proportional to 663,305.22, 994,957.83 and 164,669.22 is: 247,003.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,305.22 : 994,957.83 = 164,669.22 : x
  2. Step 2: Convert to fraction form
    663,305.22/994,957.83 = 164,669.22/x
  3. Step 3: Cross multiply
    663,305.22x = 994,957.83 × 164,669.22
  4. Step 4: Simplify right side
    663,305.22x = 163,838,929,798.99
  5. Step 5: Solve for x
    x = 163,838,929,798.99/663,305.22
  6. Step 6: Final answer
    x = 247,003.83

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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.