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Finding the Fourth Proportional to 483,165.84, 723,800.69 and 393,305.19

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Solution

The fourth proportional to 483,165.84, 723,800.69 and 393,305.19 is: 589,186.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,165.84 : 723,800.69 = 393,305.19 : x
  2. Step 2: Convert to fraction form
    483,165.84/723,800.69 = 393,305.19/x
  3. Step 3: Cross multiply
    483,165.84x = 723,800.69 × 393,305.19
  4. Step 4: Simplify right side
    483,165.84x = 284,674,567,902.58
  5. Step 5: Solve for x
    x = 284,674,567,902.58/483,165.84
  6. Step 6: Final answer
    x = 589,186.04

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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.