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Finding the Fourth Proportional to 330,827.60, 496,241.40 and 120,472.40

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Solution

The fourth proportional to 330,827.60, 496,241.40 and 120,472.40 is: 180,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,827.60 : 496,241.40 = 120,472.40 : x
  2. Step 2: Convert to fraction form
    330,827.60/496,241.40 = 120,472.40/x
  3. Step 3: Cross multiply
    330,827.60x = 496,241.40 × 120,472.40
  4. Step 4: Simplify right side
    330,827.60x = 59,783,392,437.36
  5. Step 5: Solve for x
    x = 59,783,392,437.36/330,827.60
  6. Step 6: Final answer
    x = 180,708.60

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1.5x scale

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.