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Finding the Fourth Proportional to 293,562.94, 440,429.77 and 122,865.20

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Solution

The fourth proportional to 293,562.94, 440,429.77 and 122,865.20 is: 184,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,562.94 : 440,429.77 = 122,865.20 : x
  2. Step 2: Convert to fraction form
    293,562.94/440,429.77 = 122,865.20/x
  3. Step 3: Cross multiply
    293,562.94x = 440,429.77 × 122,865.20
  4. Step 4: Simplify right side
    293,562.94x = 54,113,489,574.86
  5. Step 5: Solve for x
    x = 54,113,489,574.86/293,562.94
  6. Step 6: Final answer
    x = 184,333.52

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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.