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Finding the Fourth Proportional to 624,492, 935,756.85 and 482,684.49

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Solution

The fourth proportional to 624,492, 935,756.85 and 482,684.49 is: 723,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,492 : 935,756.85 = 482,684.49 : x
  2. Step 2: Convert to fraction form
    624,492/935,756.85 = 482,684.49/x
  3. Step 3: Cross multiply
    624,492x = 935,756.85 × 482,684.49
  4. Step 4: Simplify right side
    624,492x = 451,675,317,906.26
  5. Step 5: Solve for x
    x = 451,675,317,906.26/624,492
  6. Step 6: Final answer
    x = 723,268.38

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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.