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Finding the Fourth Proportional to 629,697.60, 944,546.40 and 603,453.60

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Solution

The fourth proportional to 629,697.60, 944,546.40 and 603,453.60 is: 905,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,697.60 : 944,546.40 = 603,453.60 : x
  2. Step 2: Convert to fraction form
    629,697.60/944,546.40 = 603,453.60/x
  3. Step 3: Cross multiply
    629,697.60x = 944,546.40 × 603,453.60
  4. Step 4: Simplify right side
    629,697.60x = 569,989,925,447.04
  5. Step 5: Solve for x
    x = 569,989,925,447.04/629,697.60
  6. Step 6: Final answer
    x = 905,180.40

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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.