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Finding the Fourth Proportional to 291,663.33, 437,969.63 and 180,053.02

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Solution

The fourth proportional to 291,663.33, 437,969.63 and 180,053.02 is: 270,372.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,663.33 : 437,969.63 = 180,053.02 : x
  2. Step 2: Convert to fraction form
    291,663.33/437,969.63 = 180,053.02/x
  3. Step 3: Cross multiply
    291,663.33x = 437,969.63 × 180,053.02
  4. Step 4: Simplify right side
    291,663.33x = 78,857,753,649.52
  5. Step 5: Solve for x
    x = 78,857,753,649.52/291,663.33
  6. Step 6: Final answer
    x = 270,372.54

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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.