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Finding the Fourth Proportional to 624,404.80, 936,605.82 and 482,456.32

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Solution

The fourth proportional to 624,404.80, 936,605.82 and 482,456.32 is: 723,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,404.80 : 936,605.82 = 482,456.32 : x
  2. Step 2: Convert to fraction form
    624,404.80/936,605.82 = 482,456.32/x
  3. Step 3: Cross multiply
    624,404.80x = 936,605.82 × 482,456.32
  4. Step 4: Simplify right side
    624,404.80x = 451,871,397,207.78
  5. Step 5: Solve for x
    x = 451,871,397,207.78/624,404.80
  6. Step 6: Final answer
    x = 723,683.41

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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.