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Finding the Fourth Proportional to 535,887.42, 739,484.01 and 294,131.58

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Solution

The fourth proportional to 535,887.42, 739,484.01 and 294,131.58 is: 405,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,887.42 : 739,484.01 = 294,131.58 : x
  2. Step 2: Convert to fraction form
    535,887.42/739,484.01 = 294,131.58/x
  3. Step 3: Cross multiply
    535,887.42x = 739,484.01 × 294,131.58
  4. Step 4: Simplify right side
    535,887.42x = 217,505,600,246.04
  5. Step 5: Solve for x
    x = 217,505,600,246.04/535,887.42
  6. Step 6: Final answer
    x = 405,879.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.