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Finding the Fourth Proportional to 353,792.21, 488,239.07 and 192,650.40

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Solution

The fourth proportional to 353,792.21, 488,239.07 and 192,650.40 is: 265,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,792.21 : 488,239.07 = 192,650.40 : x
  2. Step 2: Convert to fraction form
    353,792.21/488,239.07 = 192,650.40/x
  3. Step 3: Cross multiply
    353,792.21x = 488,239.07 × 192,650.40
  4. Step 4: Simplify right side
    353,792.21x = 94,059,451,167.88
  5. Step 5: Solve for x
    x = 94,059,451,167.88/353,792.21
  6. Step 6: Final answer
    x = 265,860.72

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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.