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Finding the Fourth Proportional to 294,690.86, 442,039.38 and 235,900.25

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Solution

The fourth proportional to 294,690.86, 442,039.38 and 235,900.25 is: 353,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,690.86 : 442,039.38 = 235,900.25 : x
  2. Step 2: Convert to fraction form
    294,690.86/442,039.38 = 235,900.25/x
  3. Step 3: Cross multiply
    294,690.86x = 442,039.38 × 235,900.25
  4. Step 4: Simplify right side
    294,690.86x = 104,277,198,814.67
  5. Step 5: Solve for x
    x = 104,277,198,814.67/294,690.86
  6. Step 6: Final answer
    x = 353,852.85

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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.