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Finding the Fourth Proportional to 330,327.60, 495,491.40 and 246,674.85

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Solution

The fourth proportional to 330,327.60, 495,491.40 and 246,674.85 is: 370,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,327.60 : 495,491.40 = 246,674.85 : x
  2. Step 2: Convert to fraction form
    330,327.60/495,491.40 = 246,674.85/x
  3. Step 3: Cross multiply
    330,327.60x = 495,491.40 × 246,674.85
  4. Step 4: Simplify right side
    330,327.60x = 122,225,266,771.29
  5. Step 5: Solve for x
    x = 122,225,266,771.29/330,327.60
  6. Step 6: Final answer
    x = 370,012.28

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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.