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Finding the Fourth Proportional to 293,596.64, 440,564.30 and 158,661.02

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Solution

The fourth proportional to 293,596.64, 440,564.30 and 158,661.02 is: 238,083.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,596.64 : 440,564.30 = 158,661.02 : x
  2. Step 2: Convert to fraction form
    293,596.64/440,564.30 = 158,661.02/x
  3. Step 3: Cross multiply
    293,596.64x = 440,564.30 × 158,661.02
  4. Step 4: Simplify right side
    293,596.64x = 69,900,381,213.59
  5. Step 5: Solve for x
    x = 69,900,381,213.59/293,596.64
  6. Step 6: Final answer
    x = 238,083.04

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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.