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Finding the Fourth Proportional to 356,092.60, 491,407.92 and 194,957.88

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Solution

The fourth proportional to 356,092.60, 491,407.92 and 194,957.88 is: 269,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,092.60 : 491,407.92 = 194,957.88 : x
  2. Step 2: Convert to fraction form
    356,092.60/491,407.92 = 194,957.88/x
  3. Step 3: Cross multiply
    356,092.60x = 491,407.92 × 194,957.88
  4. Step 4: Simplify right side
    356,092.60x = 95,803,845,323.62
  5. Step 5: Solve for x
    x = 95,803,845,323.62/356,092.60
  6. Step 6: Final answer
    x = 269,041.94

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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.