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Finding the Fourth Proportional to 293,385.56, 440,015.70 and 83,025.32

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Solution

The fourth proportional to 293,385.56, 440,015.70 and 83,025.32 is: 124,520.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,385.56 : 440,015.70 = 83,025.32 : x
  2. Step 2: Convert to fraction form
    293,385.56/440,015.70 = 83,025.32/x
  3. Step 3: Cross multiply
    293,385.56x = 440,015.70 × 83,025.32
  4. Step 4: Simplify right side
    293,385.56x = 36,532,444,297.52
  5. Step 5: Solve for x
    x = 36,532,444,297.52/293,385.56
  6. Step 6: Final answer
    x = 124,520.25

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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.