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Finding the Fourth Proportional to 501,838.72, 752,274.24 and 169,233.28

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Solution

The fourth proportional to 501,838.72, 752,274.24 and 169,233.28 is: 253,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,838.72 : 752,274.24 = 169,233.28 : x
  2. Step 2: Convert to fraction form
    501,838.72/752,274.24 = 169,233.28/x
  3. Step 3: Cross multiply
    501,838.72x = 752,274.24 × 169,233.28
  4. Step 4: Simplify right side
    501,838.72x = 127,309,837,094.71
  5. Step 5: Solve for x
    x = 127,309,837,094.71/501,838.72
  6. Step 6: Final answer
    x = 253,686.76

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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.