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Finding the Fourth Proportional to 330,920.48, 496,216.76 and 117,656.44

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Solution

The fourth proportional to 330,920.48, 496,216.76 and 117,656.44 is: 176,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,920.48 : 496,216.76 = 117,656.44 : x
  2. Step 2: Convert to fraction form
    330,920.48/496,216.76 = 117,656.44/x
  3. Step 3: Cross multiply
    330,920.48x = 496,216.76 × 117,656.44
  4. Step 4: Simplify right side
    330,920.48x = 58,383,096,503.53
  5. Step 5: Solve for x
    x = 58,383,096,503.53/330,920.48
  6. Step 6: Final answer
    x = 176,426.36

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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.