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Finding the Fourth Proportional to 483,903.68, 725,317.68 and 365,190.08

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Solution

The fourth proportional to 483,903.68, 725,317.68 and 365,190.08 is: 547,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,903.68 : 725,317.68 = 365,190.08 : x
  2. Step 2: Convert to fraction form
    483,903.68/725,317.68 = 365,190.08/x
  3. Step 3: Cross multiply
    483,903.68x = 725,317.68 × 365,190.08
  4. Step 4: Simplify right side
    483,903.68x = 264,878,821,584.61
  5. Step 5: Solve for x
    x = 264,878,821,584.61/483,903.68
  6. Step 6: Final answer
    x = 547,379.23

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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.