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Finding the Fourth Proportional to 463,220.60, 694,830.90 and 441,569.30

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Solution

The fourth proportional to 463,220.60, 694,830.90 and 441,569.30 is: 662,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,220.60 : 694,830.90 = 441,569.30 : x
  2. Step 2: Convert to fraction form
    463,220.60/694,830.90 = 441,569.30/x
  3. Step 3: Cross multiply
    463,220.60x = 694,830.90 × 441,569.30
  4. Step 4: Simplify right side
    463,220.60x = 306,815,994,131.37
  5. Step 5: Solve for x
    x = 306,815,994,131.37/463,220.60
  6. Step 6: Final answer
    x = 662,353.95

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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.