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Finding the Fourth Proportional to 293,904.80, 440,871.60 and 153,936.80

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Solution

The fourth proportional to 293,904.80, 440,871.60 and 153,936.80 is: 230,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,904.80 : 440,871.60 = 153,936.80 : x
  2. Step 2: Convert to fraction form
    293,904.80/440,871.60 = 153,936.80/x
  3. Step 3: Cross multiply
    293,904.80x = 440,871.60 × 153,936.80
  4. Step 4: Simplify right side
    293,904.80x = 67,866,363,314.88
  5. Step 5: Solve for x
    x = 67,866,363,314.88/293,904.80
  6. Step 6: Final answer
    x = 230,912.74

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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.