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Finding the Fourth Proportional to 622,333.49, 933,113.62 and 262,319.12

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Solution

The fourth proportional to 622,333.49, 933,113.62 and 262,319.12 is: 393,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,333.49 : 933,113.62 = 262,319.12 : x
  2. Step 2: Convert to fraction form
    622,333.49/933,113.62 = 262,319.12/x
  3. Step 3: Cross multiply
    622,333.49x = 933,113.62 × 262,319.12
  4. Step 4: Simplify right side
    622,333.49x = 244,773,541,179.68
  5. Step 5: Solve for x
    x = 244,773,541,179.68/622,333.49
  6. Step 6: Final answer
    x = 393,315.72

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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.