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Finding the Fourth Proportional to 394,391.95, 544,523.64 and 233,298.74

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Solution

The fourth proportional to 394,391.95, 544,523.64 and 233,298.74 is: 322,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,391.95 : 544,523.64 = 233,298.74 : x
  2. Step 2: Convert to fraction form
    394,391.95/544,523.64 = 233,298.74/x
  3. Step 3: Cross multiply
    394,391.95x = 544,523.64 × 233,298.74
  4. Step 4: Simplify right side
    394,391.95x = 127,036,679,112.21
  5. Step 5: Solve for x
    x = 127,036,679,112.21/394,391.95
  6. Step 6: Final answer
    x = 322,107.69

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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.