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Finding the Fourth Proportional to 364,249.48, 546,062.57 and 139,771.00

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Solution

The fourth proportional to 364,249.48, 546,062.57 and 139,771.00 is: 209,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,249.48 : 546,062.57 = 139,771.00 : x
  2. Step 2: Convert to fraction form
    364,249.48/546,062.57 = 139,771.00/x
  3. Step 3: Cross multiply
    364,249.48x = 546,062.57 × 139,771.00
  4. Step 4: Simplify right side
    364,249.48x = 76,323,708,042.30
  5. Step 5: Solve for x
    x = 76,323,708,042.30/364,249.48
  6. Step 6: Final answer
    x = 209,536.91

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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.