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Finding the Fourth Proportional to 622,960.92, 933,646.77 and 303,188.72

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Solution

The fourth proportional to 622,960.92, 933,646.77 and 303,188.72 is: 454,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,960.92 : 933,646.77 = 303,188.72 : x
  2. Step 2: Convert to fraction form
    622,960.92/933,646.77 = 303,188.72/x
  3. Step 3: Cross multiply
    622,960.92x = 933,646.77 × 303,188.72
  4. Step 4: Simplify right side
    622,960.92x = 283,071,164,460.20
  5. Step 5: Solve for x
    x = 283,071,164,460.20/622,960.92
  6. Step 6: Final answer
    x = 454,396.34

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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.