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Finding the Fourth Proportional to 444,368.44, 666,652.70 and 140,780.90

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Solution

The fourth proportional to 444,368.44, 666,652.70 and 140,780.90 is: 211,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,368.44 : 666,652.70 = 140,780.90 : x
  2. Step 2: Convert to fraction form
    444,368.44/666,652.70 = 140,780.90/x
  3. Step 3: Cross multiply
    444,368.44x = 666,652.70 × 140,780.90
  4. Step 4: Simplify right side
    444,368.44x = 93,851,969,112.01
  5. Step 5: Solve for x
    x = 93,851,969,112.01/444,368.44
  6. Step 6: Final answer
    x = 211,203.05

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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.