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Finding the Fourth Proportional to 624,399.80, 936,598.30 and 482,451.32

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Solution

The fourth proportional to 624,399.80, 936,598.30 and 482,451.32 is: 723,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,399.80 : 936,598.30 = 482,451.32 : x
  2. Step 2: Convert to fraction form
    624,399.80/936,598.30 = 482,451.32/x
  3. Step 3: Cross multiply
    624,399.80x = 936,598.30 × 482,451.32
  4. Step 4: Simplify right side
    624,399.80x = 451,863,086,144.76
  5. Step 5: Solve for x
    x = 451,863,086,144.76/624,399.80
  6. Step 6: Final answer
    x = 723,675.90

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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.