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Finding the Fourth Proportional to 353,843.03, 488,312.12 and 192,706.85

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Solution

The fourth proportional to 353,843.03, 488,312.12 and 192,706.85 is: 265,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,843.03 : 488,312.12 = 192,706.85 : x
  2. Step 2: Convert to fraction form
    353,843.03/488,312.12 = 192,706.85/x
  3. Step 3: Cross multiply
    353,843.03x = 488,312.12 × 192,706.85
  4. Step 4: Simplify right side
    353,843.03x = 94,101,092,164.57
  5. Step 5: Solve for x
    x = 94,101,092,164.57/353,843.03
  6. Step 6: Final answer
    x = 265,940.22

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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.