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Finding the Fourth Proportional to 354,058.77, 488,594.92 and 192,915.15

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Solution

The fourth proportional to 354,058.77, 488,594.92 and 192,915.15 is: 266,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,058.77 : 488,594.92 = 192,915.15 : x
  2. Step 2: Convert to fraction form
    354,058.77/488,594.92 = 192,915.15/x
  3. Step 3: Cross multiply
    354,058.77x = 488,594.92 × 192,915.15
  4. Step 4: Simplify right side
    354,058.77x = 94,257,362,281.04
  5. Step 5: Solve for x
    x = 94,257,362,281.04/354,058.77
  6. Step 6: Final answer
    x = 266,219.54

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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.