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Finding the Fourth Proportional to 551,467.06, 827,258.10 and 152,107.90

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Solution

The fourth proportional to 551,467.06, 827,258.10 and 152,107.90 is: 228,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,467.06 : 827,258.10 = 152,107.90 : x
  2. Step 2: Convert to fraction form
    551,467.06/827,258.10 = 152,107.90/x
  3. Step 3: Cross multiply
    551,467.06x = 827,258.10 × 152,107.90
  4. Step 4: Simplify right side
    551,467.06x = 125,832,492,348.99
  5. Step 5: Solve for x
    x = 125,832,492,348.99/551,467.06
  6. Step 6: Final answer
    x = 228,177.71

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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.