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Finding the Fourth Proportional to 621,920.07, 933,077.34 and 222,552

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Solution

The fourth proportional to 621,920.07, 933,077.34 and 222,552 is: 333,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,920.07 : 933,077.34 = 222,552 : x
  2. Step 2: Convert to fraction form
    621,920.07/933,077.34 = 222,552/x
  3. Step 3: Cross multiply
    621,920.07x = 933,077.34 × 222,552
  4. Step 4: Simplify right side
    621,920.07x = 207,658,228,171.68
  5. Step 5: Solve for x
    x = 207,658,228,171.68/621,920.07
  6. Step 6: Final answer
    x = 333,898.58

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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.