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Finding the Fourth Proportional to 353,877.75, 488,344.01 and 192,735.63

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Solution

The fourth proportional to 353,877.75, 488,344.01 and 192,735.63 is: 265,971.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,877.75 : 488,344.01 = 192,735.63 : x
  2. Step 2: Convert to fraction form
    353,877.75/488,344.01 = 192,735.63/x
  3. Step 3: Cross multiply
    353,877.75x = 488,344.01 × 192,735.63
  4. Step 4: Simplify right side
    353,877.75x = 94,121,289,460.40
  5. Step 5: Solve for x
    x = 94,121,289,460.40/353,877.75
  6. Step 6: Final answer
    x = 265,971.20

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1.5x scale

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.