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Finding the Fourth Proportional to 385,502.36, 578,183.87 and 104,954.00

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Solution

The fourth proportional to 385,502.36, 578,183.87 and 104,954.00 is: 157,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,502.36 : 578,183.87 = 104,954.00 : x
  2. Step 2: Convert to fraction form
    385,502.36/578,183.87 = 104,954.00/x
  3. Step 3: Cross multiply
    385,502.36x = 578,183.87 × 104,954.00
  4. Step 4: Simplify right side
    385,502.36x = 60,682,707,263.45
  5. Step 5: Solve for x
    x = 60,682,707,263.45/385,502.36
  6. Step 6: Final answer
    x = 157,412.03

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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.