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Finding the Fourth Proportional to 293,345.45, 440,014.45 and 93,663.30

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Solution

The fourth proportional to 293,345.45, 440,014.45 and 93,663.30 is: 140,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,345.45 : 440,014.45 = 93,663.30 : x
  2. Step 2: Convert to fraction form
    293,345.45/440,014.45 = 93,663.30/x
  3. Step 3: Cross multiply
    293,345.45x = 440,014.45 × 93,663.30
  4. Step 4: Simplify right side
    293,345.45x = 41,213,205,434.69
  5. Step 5: Solve for x
    x = 41,213,205,434.69/293,345.45
  6. Step 6: Final answer
    x = 140,493.76

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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.