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Finding the Fourth Proportional to 347,574.76, 521,418.38 and 107,632.26

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Solution

The fourth proportional to 347,574.76, 521,418.38 and 107,632.26 is: 161,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,574.76 : 521,418.38 = 107,632.26 : x
  2. Step 2: Convert to fraction form
    347,574.76/521,418.38 = 107,632.26/x
  3. Step 3: Cross multiply
    347,574.76x = 521,418.38 × 107,632.26
  4. Step 4: Simplify right side
    347,574.76x = 56,121,438,644.94
  5. Step 5: Solve for x
    x = 56,121,438,644.94/347,574.76
  6. Step 6: Final answer
    x = 161,465.81

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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.