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Finding the Fourth Proportional to 293,420.55, 440,294.32 and 158,481.89

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Solution

The fourth proportional to 293,420.55, 440,294.32 and 158,481.89 is: 237,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,420.55 : 440,294.32 = 158,481.89 : x
  2. Step 2: Convert to fraction form
    293,420.55/440,294.32 = 158,481.89/x
  3. Step 3: Cross multiply
    293,420.55x = 440,294.32 × 158,481.89
  4. Step 4: Simplify right side
    293,420.55x = 69,778,675,197.46
  5. Step 5: Solve for x
    x = 69,778,675,197.46/293,420.55
  6. Step 6: Final answer
    x = 237,811.14

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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.