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Finding the Fourth Proportional to 629,424.40, 946,469.40 and 526,781.20

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Solution

The fourth proportional to 629,424.40, 946,469.40 and 526,781.20 is: 792,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,424.40 : 946,469.40 = 526,781.20 : x
  2. Step 2: Convert to fraction form
    629,424.40/946,469.40 = 526,781.20/x
  3. Step 3: Cross multiply
    629,424.40x = 946,469.40 × 526,781.20
  4. Step 4: Simplify right side
    629,424.40x = 498,582,286,295.28
  5. Step 5: Solve for x
    x = 498,582,286,295.28/629,424.40
  6. Step 6: Final answer
    x = 792,124.18

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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.