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Finding the Fourth Proportional to 508,031.10, 701,159.56 and 324,348.14

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Solution

The fourth proportional to 508,031.10, 701,159.56 and 324,348.14 is: 447,649.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,031.10 : 701,159.56 = 324,348.14 : x
  2. Step 2: Convert to fraction form
    508,031.10/701,159.56 = 324,348.14/x
  3. Step 3: Cross multiply
    508,031.10x = 701,159.56 × 324,348.14
  4. Step 4: Simplify right side
    508,031.10x = 227,419,800,071.25
  5. Step 5: Solve for x
    x = 227,419,800,071.25/508,031.10
  6. Step 6: Final answer
    x = 447,649.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.