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Finding the Fourth Proportional to 618,563.01, 927,875.19 and 192,389.10

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Solution

The fourth proportional to 618,563.01, 927,875.19 and 192,389.10 is: 288,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,563.01 : 927,875.19 = 192,389.10 : x
  2. Step 2: Convert to fraction form
    618,563.01/927,875.19 = 192,389.10/x
  3. Step 3: Cross multiply
    618,563.01x = 927,875.19 × 192,389.10
  4. Step 4: Simplify right side
    618,563.01x = 178,513,072,716.43
  5. Step 5: Solve for x
    x = 178,513,072,716.43/618,563.01
  6. Step 6: Final answer
    x = 288,593.19

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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.