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Finding the Fourth Proportional to 364,697.40, 546,991.38 and 115,347

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Solution

The fourth proportional to 364,697.40, 546,991.38 and 115,347 is: 173,003.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,697.40 : 546,991.38 = 115,347 : x
  2. Step 2: Convert to fraction form
    364,697.40/546,991.38 = 115,347/x
  3. Step 3: Cross multiply
    364,697.40x = 546,991.38 × 115,347
  4. Step 4: Simplify right side
    364,697.40x = 63,093,814,708.86
  5. Step 5: Solve for x
    x = 63,093,814,708.86/364,697.40
  6. Step 6: Final answer
    x = 173,003.19

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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.