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Finding the Fourth Proportional to 296,958.40, 445,377.12 and 109,925.44

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Solution

The fourth proportional to 296,958.40, 445,377.12 and 109,925.44 is: 164,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,958.40 : 445,377.12 = 109,925.44 : x
  2. Step 2: Convert to fraction form
    296,958.40/445,377.12 = 109,925.44/x
  3. Step 3: Cross multiply
    296,958.40x = 445,377.12 × 109,925.44
  4. Step 4: Simplify right side
    296,958.40x = 48,958,275,881.93
  5. Step 5: Solve for x
    x = 48,958,275,881.93/296,958.40
  6. Step 6: Final answer
    x = 164,865.77

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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.