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Finding the Fourth Proportional to 394,259.93, 591,389.84 and 94,740.51

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Solution

The fourth proportional to 394,259.93, 591,389.84 and 94,740.51 is: 142,110.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,259.93 : 591,389.84 = 94,740.51 : x
  2. Step 2: Convert to fraction form
    394,259.93/591,389.84 = 94,740.51/x
  3. Step 3: Cross multiply
    394,259.93x = 591,389.84 × 94,740.51
  4. Step 4: Simplify right side
    394,259.93x = 56,028,575,050.42
  5. Step 5: Solve for x
    x = 56,028,575,050.42/394,259.93
  6. Step 6: Final answer
    x = 142,110.75

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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.