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Finding the Fourth Proportional to 622,896.15, 933,722.15 and 307,579.35

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Solution

The fourth proportional to 622,896.15, 933,722.15 and 307,579.35 is: 461,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,896.15 : 933,722.15 = 307,579.35 : x
  2. Step 2: Convert to fraction form
    622,896.15/933,722.15 = 307,579.35/x
  3. Step 3: Cross multiply
    622,896.15x = 933,722.15 × 307,579.35
  4. Step 4: Simplify right side
    622,896.15x = 287,193,650,439.71
  5. Step 5: Solve for x
    x = 287,193,650,439.71/622,896.15
  6. Step 6: Final answer
    x = 461,061.85

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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.