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Finding the Fourth Proportional to 394,318.76, 544,341.51 and 230,952.56

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Solution

The fourth proportional to 394,318.76, 544,341.51 and 230,952.56 is: 318,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,318.76 : 544,341.51 = 230,952.56 : x
  2. Step 2: Convert to fraction form
    394,318.76/544,341.51 = 230,952.56/x
  3. Step 3: Cross multiply
    394,318.76x = 544,341.51 × 230,952.56
  4. Step 4: Simplify right side
    394,318.76x = 125,717,062,527.06
  5. Step 5: Solve for x
    x = 125,717,062,527.06/394,318.76
  6. Step 6: Final answer
    x = 318,820.91

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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.