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Finding the Fourth Proportional to 453,003.60, 678,727.80 and 295,150.80

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Solution

The fourth proportional to 453,003.60, 678,727.80 and 295,150.80 is: 442,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003.60 : 678,727.80 = 295,150.80 : x
  2. Step 2: Convert to fraction form
    453,003.60/678,727.80 = 295,150.80/x
  3. Step 3: Cross multiply
    453,003.60x = 678,727.80 × 295,150.80
  4. Step 4: Simplify right side
    453,003.60x = 200,327,053,152.24
  5. Step 5: Solve for x
    x = 200,327,053,152.24/453,003.60
  6. Step 6: Final answer
    x = 442,219.56

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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.