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Finding the Fourth Proportional to 330,297.84, 495,446.69 and 93,642.57

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Solution

The fourth proportional to 330,297.84, 495,446.69 and 93,642.57 is: 140,463.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,297.84 : 495,446.69 = 93,642.57 : x
  2. Step 2: Convert to fraction form
    330,297.84/495,446.69 = 93,642.57/x
  3. Step 3: Cross multiply
    330,297.84x = 495,446.69 × 93,642.57
  4. Step 4: Simplify right side
    330,297.84x = 46,394,901,583.70
  5. Step 5: Solve for x
    x = 46,394,901,583.70/330,297.84
  6. Step 6: Final answer
    x = 140,463.84

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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.