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Finding the Fourth Proportional to 446,787.63, 616,580.71 and 255,862.53

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Solution

The fourth proportional to 446,787.63, 616,580.71 and 255,862.53 is: 353,098.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,787.63 : 616,580.71 = 255,862.53 : x
  2. Step 2: Convert to fraction form
    446,787.63/616,580.71 = 255,862.53/x
  3. Step 3: Cross multiply
    446,787.63x = 616,580.71 × 255,862.53
  4. Step 4: Simplify right side
    446,787.63x = 157,759,899,770.14
  5. Step 5: Solve for x
    x = 157,759,899,770.14/446,787.63
  6. Step 6: Final answer
    x = 353,098.18

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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.