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Finding the Fourth Proportional to 508,972.64, 702,224.69 and 294,034.28

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Solution

The fourth proportional to 508,972.64, 702,224.69 and 294,034.28 is: 405,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,972.64 : 702,224.69 = 294,034.28 : x
  2. Step 2: Convert to fraction form
    508,972.64/702,224.69 = 294,034.28/x
  3. Step 3: Cross multiply
    508,972.64x = 702,224.69 × 294,034.28
  4. Step 4: Simplify right side
    508,972.64x = 206,478,126,141.08
  5. Step 5: Solve for x
    x = 206,478,126,141.08/508,972.64
  6. Step 6: Final answer
    x = 405,676.28

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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.