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Finding the Fourth Proportional to 446,759.46, 616,617.72 and 265,436.48

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Solution

The fourth proportional to 446,759.46, 616,617.72 and 265,436.48 is: 366,355.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,759.46 : 616,617.72 = 265,436.48 : x
  2. Step 2: Convert to fraction form
    446,759.46/616,617.72 = 265,436.48/x
  3. Step 3: Cross multiply
    446,759.46x = 616,617.72 × 265,436.48
  4. Step 4: Simplify right side
    446,759.46x = 163,672,834,019.34
  5. Step 5: Solve for x
    x = 163,672,834,019.34/446,759.46
  6. Step 6: Final answer
    x = 366,355.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.