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Finding the Fourth Proportional to 663,044.70, 994,567.05 and 164,408.70

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Solution

The fourth proportional to 663,044.70, 994,567.05 and 164,408.70 is: 246,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,044.70 : 994,567.05 = 164,408.70 : x
  2. Step 2: Convert to fraction form
    663,044.70/994,567.05 = 164,408.70/x
  3. Step 3: Cross multiply
    663,044.70x = 994,567.05 × 164,408.70
  4. Step 4: Simplify right side
    663,044.70x = 163,515,475,753.34
  5. Step 5: Solve for x
    x = 163,515,475,753.34/663,044.70
  6. Step 6: Final answer
    x = 246,613.05

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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.