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Finding the Fourth Proportional to 566,645.76, 781,974 and 324,937.44

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Solution

The fourth proportional to 566,645.76, 781,974 and 324,937.44 is: 448,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,645.76 : 781,974 = 324,937.44 : x
  2. Step 2: Convert to fraction form
    566,645.76/781,974 = 324,937.44/x
  3. Step 3: Cross multiply
    566,645.76x = 781,974 × 324,937.44
  4. Step 4: Simplify right side
    566,645.76x = 254,092,629,706.56
  5. Step 5: Solve for x
    x = 254,092,629,706.56/566,645.76
  6. Step 6: Final answer
    x = 448,415.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.