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Finding the Fourth Proportional to 501,649.17, 752,719.77 and 235,431.33

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Solution

The fourth proportional to 501,649.17, 752,719.77 and 235,431.33 is: 353,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,649.17 : 752,719.77 = 235,431.33 : x
  2. Step 2: Convert to fraction form
    501,649.17/752,719.77 = 235,431.33/x
  3. Step 3: Cross multiply
    501,649.17x = 752,719.77 × 235,431.33
  4. Step 4: Simplify right side
    501,649.17x = 177,213,816,568.39
  5. Step 5: Solve for x
    x = 177,213,816,568.39/501,649.17
  6. Step 6: Final answer
    x = 353,262.45

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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.