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Finding the Fourth Proportional to 404,826.35, 558,709.62 and 235,060.47

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Solution

The fourth proportional to 404,826.35, 558,709.62 and 235,060.47 is: 324,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,826.35 : 558,709.62 = 235,060.47 : x
  2. Step 2: Convert to fraction form
    404,826.35/558,709.62 = 235,060.47/x
  3. Step 3: Cross multiply
    404,826.35x = 558,709.62 × 235,060.47
  4. Step 4: Simplify right side
    404,826.35x = 131,330,544,695.42
  5. Step 5: Solve for x
    x = 131,330,544,695.42/404,826.35
  6. Step 6: Final answer
    x = 324,412.05

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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.