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Finding the Fourth Proportional to 483,168.90, 724,505.44 and 255,587.35

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Solution

The fourth proportional to 483,168.90, 724,505.44 and 255,587.35 is: 383,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,168.90 : 724,505.44 = 255,587.35 : x
  2. Step 2: Convert to fraction form
    483,168.90/724,505.44 = 255,587.35/x
  3. Step 3: Cross multiply
    483,168.90x = 724,505.44 × 255,587.35
  4. Step 4: Simplify right side
    483,168.90x = 185,174,424,192.25
  5. Step 5: Solve for x
    x = 185,174,424,192.25/483,168.90
  6. Step 6: Final answer
    x = 383,249.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.