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Finding the Fourth Proportional to 353,883.50, 488,351.94 and 192,741.38

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Solution

The fourth proportional to 353,883.50, 488,351.94 and 192,741.38 is: 265,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,883.50 : 488,351.94 = 192,741.38 : x
  2. Step 2: Convert to fraction form
    353,883.50/488,351.94 = 192,741.38/x
  3. Step 3: Cross multiply
    353,883.50x = 488,351.94 × 192,741.38
  4. Step 4: Simplify right side
    353,883.50x = 94,125,626,841.28
  5. Step 5: Solve for x
    x = 94,125,626,841.28/353,883.50
  6. Step 6: Final answer
    x = 265,979.13

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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.