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Finding the Fourth Proportional to 446,653.66, 616,380.89 and 242,704.60

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Solution

The fourth proportional to 446,653.66, 616,380.89 and 242,704.60 is: 334,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,653.66 : 616,380.89 = 242,704.60 : x
  2. Step 2: Convert to fraction form
    446,653.66/616,380.89 = 242,704.60/x
  3. Step 3: Cross multiply
    446,653.66x = 616,380.89 × 242,704.60
  4. Step 4: Simplify right side
    446,653.66x = 149,598,476,912.05
  5. Step 5: Solve for x
    x = 149,598,476,912.05/446,653.66
  6. Step 6: Final answer
    x = 334,931.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.