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Finding the Fourth Proportional to 293,407.22, 404,873.96 and 233,123.78

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Solution

The fourth proportional to 293,407.22, 404,873.96 and 233,123.78 is: 321,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,407.22 : 404,873.96 = 233,123.78 : x
  2. Step 2: Convert to fraction form
    293,407.22/404,873.96 = 233,123.78/x
  3. Step 3: Cross multiply
    293,407.22x = 404,873.96 × 233,123.78
  4. Step 4: Simplify right side
    293,407.22x = 94,385,747,978.77
  5. Step 5: Solve for x
    x = 94,385,747,978.77/293,407.22
  6. Step 6: Final answer
    x = 321,688.57

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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.