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Finding the Fourth Proportional to 483,873.40, 725,810.10 and 151,406.20

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Solution

The fourth proportional to 483,873.40, 725,810.10 and 151,406.20 is: 227,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,873.40 : 725,810.10 = 151,406.20 : x
  2. Step 2: Convert to fraction form
    483,873.40/725,810.10 = 151,406.20/x
  3. Step 3: Cross multiply
    483,873.40x = 725,810.10 × 151,406.20
  4. Step 4: Simplify right side
    483,873.40x = 109,892,149,162.62
  5. Step 5: Solve for x
    x = 109,892,149,162.62/483,873.40
  6. Step 6: Final answer
    x = 227,109.30

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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.