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Finding the Fourth Proportional to 483,175.40, 724,515.18 and 255,593.86

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Solution

The fourth proportional to 483,175.40, 724,515.18 and 255,593.86 is: 383,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,175.40 : 724,515.18 = 255,593.86 : x
  2. Step 2: Convert to fraction form
    483,175.40/724,515.18 = 255,593.86/x
  3. Step 3: Cross multiply
    483,175.40x = 724,515.18 × 255,593.86
  4. Step 4: Simplify right side
    483,175.40x = 185,181,631,484.80
  5. Step 5: Solve for x
    x = 185,181,631,484.80/483,175.40
  6. Step 6: Final answer
    x = 383,259.64

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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.