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Finding the Fourth Proportional to 330,773.20, 496,409.44 and 242,256.20

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Solution

The fourth proportional to 330,773.20, 496,409.44 and 242,256.20 is: 363,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,773.20 : 496,409.44 = 242,256.20 : x
  2. Step 2: Convert to fraction form
    330,773.20/496,409.44 = 242,256.20/x
  3. Step 3: Cross multiply
    330,773.20x = 496,409.44 × 242,256.20
  4. Step 4: Simplify right side
    330,773.20x = 120,258,264,578.53
  5. Step 5: Solve for x
    x = 120,258,264,578.53/330,773.20
  6. Step 6: Final answer
    x = 363,567.13

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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.