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Finding the Fourth Proportional to 293,374.20, 440,061.30 and 153,175.80

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Solution

The fourth proportional to 293,374.20, 440,061.30 and 153,175.80 is: 229,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,374.20 : 440,061.30 = 153,175.80 : x
  2. Step 2: Convert to fraction form
    293,374.20/440,061.30 = 153,175.80/x
  3. Step 3: Cross multiply
    293,374.20x = 440,061.30 × 153,175.80
  4. Step 4: Simplify right side
    293,374.20x = 67,406,741,676.54
  5. Step 5: Solve for x
    x = 67,406,741,676.54/293,374.20
  6. Step 6: Final answer
    x = 229,763.70

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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.