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Finding the Fourth Proportional to 413,234.29, 620,090.76 and 173,326.87

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Solution

The fourth proportional to 413,234.29, 620,090.76 and 173,326.87 is: 260,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,234.29 : 620,090.76 = 173,326.87 : x
  2. Step 2: Convert to fraction form
    413,234.29/620,090.76 = 173,326.87/x
  3. Step 3: Cross multiply
    413,234.29x = 620,090.76 × 173,326.87
  4. Step 4: Simplify right side
    413,234.29x = 107,478,390,546.72
  5. Step 5: Solve for x
    x = 107,478,390,546.72/413,234.29
  6. Step 6: Final answer
    x = 260,090.69

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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.