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Finding the Fourth Proportional to 622,645.68, 934,099.77 and 201,888.78

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Solution

The fourth proportional to 622,645.68, 934,099.77 and 201,888.78 is: 302,875.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,645.68 : 934,099.77 = 201,888.78 : x
  2. Step 2: Convert to fraction form
    622,645.68/934,099.77 = 201,888.78/x
  3. Step 3: Cross multiply
    622,645.68x = 934,099.77 × 201,888.78
  4. Step 4: Simplify right side
    622,645.68x = 188,584,262,963.58
  5. Step 5: Solve for x
    x = 188,584,262,963.58/622,645.68
  6. Step 6: Final answer
    x = 302,875.73

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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.