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Finding the Fourth Proportional to 508,969.62, 702,220.56 and 294,031.26

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Solution

The fourth proportional to 508,969.62, 702,220.56 and 294,031.26 is: 405,672.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,969.62 : 702,220.56 = 294,031.26 : x
  2. Step 2: Convert to fraction form
    508,969.62/702,220.56 = 294,031.26/x
  3. Step 3: Cross multiply
    508,969.62x = 702,220.56 × 294,031.26
  4. Step 4: Simplify right side
    508,969.62x = 206,474,796,054.71
  5. Step 5: Solve for x
    x = 206,474,796,054.71/508,969.62
  6. Step 6: Final answer
    x = 405,672.14

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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.