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Finding the Fourth Proportional to 353,851.52, 488,323.85 and 192,715.34

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Solution

The fourth proportional to 353,851.52, 488,323.85 and 192,715.34 is: 265,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,851.52 : 488,323.85 = 192,715.34 : x
  2. Step 2: Convert to fraction form
    353,851.52/488,323.85 = 192,715.34/x
  3. Step 3: Cross multiply
    353,851.52x = 488,323.85 × 192,715.34
  4. Step 4: Simplify right side
    353,851.52x = 94,107,493,377.66
  5. Step 5: Solve for x
    x = 94,107,493,377.66/353,851.52
  6. Step 6: Final answer
    x = 265,951.93

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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.