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Finding the Fourth Proportional to 1,673,220, 2,510,223.66 and 551,289

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Solution

The fourth proportional to 1,673,220, 2,510,223.66 and 551,289 is: 827,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,220 : 2,510,223.66 = 551,289 : x
  2. Step 2: Convert to fraction form
    1,673,220/2,510,223.66 = 551,289/x
  3. Step 3: Cross multiply
    1,673,220x = 2,510,223.66 × 551,289
  4. Step 4: Simplify right side
    1,673,220x = 1,383,858,691,297.74
  5. Step 5: Solve for x
    x = 1,383,858,691,297.74/1,673,220
  6. Step 6: Final answer
    x = 827,063.20

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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.