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Finding the Fourth Proportional to 663,062.70, 994,594.05 and 164,426.70

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Solution

The fourth proportional to 663,062.70, 994,594.05 and 164,426.70 is: 246,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,062.70 : 994,594.05 = 164,426.70 : x
  2. Step 2: Convert to fraction form
    663,062.70/994,594.05 = 164,426.70/x
  3. Step 3: Cross multiply
    663,062.70x = 994,594.05 × 164,426.70
  4. Step 4: Simplify right side
    663,062.70x = 163,537,817,481.14
  5. Step 5: Solve for x
    x = 163,537,817,481.14/663,062.70
  6. Step 6: Final answer
    x = 246,640.05

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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.