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Finding the Fourth Proportional to 356,015.58, 491,297.22 and 192,668.28

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Solution

The fourth proportional to 356,015.58, 491,297.22 and 192,668.28 is: 265,879.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,015.58 : 491,297.22 = 192,668.28 : x
  2. Step 2: Convert to fraction form
    356,015.58/491,297.22 = 192,668.28/x
  3. Step 3: Cross multiply
    356,015.58x = 491,297.22 × 192,668.28
  4. Step 4: Simplify right side
    356,015.58x = 94,657,390,346.18
  5. Step 5: Solve for x
    x = 94,657,390,346.18/356,015.58
  6. Step 6: Final answer
    x = 265,879.91

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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.