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Finding the Fourth Proportional to 343,022.33, 515,004.81 and 174,655.79

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Solution

The fourth proportional to 343,022.33, 515,004.81 and 174,655.79 is: 262,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,022.33 : 515,004.81 = 174,655.79 : x
  2. Step 2: Convert to fraction form
    343,022.33/515,004.81 = 174,655.79/x
  3. Step 3: Cross multiply
    343,022.33x = 515,004.81 × 174,655.79
  4. Step 4: Simplify right side
    343,022.33x = 89,948,570,645.63
  5. Step 5: Solve for x
    x = 89,948,570,645.63/343,022.33
  6. Step 6: Final answer
    x = 262,223.66

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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.