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Finding the Fourth Proportional to 625,512.50, 938,260.22 and 152,198.32

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Solution

The fourth proportional to 625,512.50, 938,260.22 and 152,198.32 is: 228,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,512.50 : 938,260.22 = 152,198.32 : x
  2. Step 2: Convert to fraction form
    625,512.50/938,260.22 = 152,198.32/x
  3. Step 3: Cross multiply
    625,512.50x = 938,260.22 × 152,198.32
  4. Step 4: Simplify right side
    625,512.50x = 142,801,629,206.83
  5. Step 5: Solve for x
    x = 142,801,629,206.83/625,512.50
  6. Step 6: Final answer
    x = 228,295.40

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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.