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Finding the Fourth Proportional to 394,259.94, 591,389.85 and 94,740.53

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Solution

The fourth proportional to 394,259.94, 591,389.85 and 94,740.53 is: 142,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,259.94 : 591,389.85 = 94,740.53 : x
  2. Step 2: Convert to fraction form
    394,259.94/591,389.85 = 94,740.53/x
  3. Step 3: Cross multiply
    394,259.94x = 591,389.85 × 94,740.53
  4. Step 4: Simplify right side
    394,259.94x = 56,028,585,223.95
  5. Step 5: Solve for x
    x = 56,028,585,223.95/394,259.94
  6. Step 6: Final answer
    x = 142,110.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.