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Finding the Fourth Proportional to 356,363.61, 491,555.22 and 233,863.92

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Solution

The fourth proportional to 356,363.61, 491,555.22 and 233,863.92 is: 322,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,363.61 : 491,555.22 = 233,863.92 : x
  2. Step 2: Convert to fraction form
    356,363.61/491,555.22 = 233,863.92/x
  3. Step 3: Cross multiply
    356,363.61x = 491,555.22 × 233,863.92
  4. Step 4: Simplify right side
    356,363.61x = 114,957,030,645.66
  5. Step 5: Solve for x
    x = 114,957,030,645.66/356,363.61
  6. Step 6: Final answer
    x = 322,583.53

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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.