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Finding the Fourth Proportional to 562,721.56, 844,165.78 and 163,365.64

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Solution

The fourth proportional to 562,721.56, 844,165.78 and 163,365.64 is: 245,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,721.56 : 844,165.78 = 163,365.64 : x
  2. Step 2: Convert to fraction form
    562,721.56/844,165.78 = 163,365.64/x
  3. Step 3: Cross multiply
    562,721.56x = 844,165.78 × 163,365.64
  4. Step 4: Simplify right side
    562,721.56x = 137,907,682,915.80
  5. Step 5: Solve for x
    x = 137,907,682,915.80/562,721.56
  6. Step 6: Final answer
    x = 245,072.68

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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.