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Finding the Fourth Proportional to 629,714.60, 944,571.90 and 623,809.70

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Solution

The fourth proportional to 629,714.60, 944,571.90 and 623,809.70 is: 935,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,714.60 : 944,571.90 = 623,809.70 : x
  2. Step 2: Convert to fraction form
    629,714.60/944,571.90 = 623,809.70/x
  3. Step 3: Cross multiply
    629,714.60x = 944,571.90 × 623,809.70
  4. Step 4: Simplify right side
    629,714.60x = 589,233,113,567.43
  5. Step 5: Solve for x
    x = 589,233,113,567.43/629,714.60
  6. Step 6: Final answer
    x = 935,714.55

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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.