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Finding the Fourth Proportional to 372,906.72, 558,926.10 and 213,094.68

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Solution

The fourth proportional to 372,906.72, 558,926.10 and 213,094.68 is: 319,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,906.72 : 558,926.10 = 213,094.68 : x
  2. Step 2: Convert to fraction form
    372,906.72/558,926.10 = 213,094.68/x
  3. Step 3: Cross multiply
    372,906.72x = 558,926.10 × 213,094.68
  4. Step 4: Simplify right side
    372,906.72x = 119,104,178,423.15
  5. Step 5: Solve for x
    x = 119,104,178,423.15/372,906.72
  6. Step 6: Final answer
    x = 319,394.03

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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.