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Finding the Fourth Proportional to 293,463.20, 439,611.60 and 168,658.40

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Solution

The fourth proportional to 293,463.20, 439,611.60 and 168,658.40 is: 252,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,463.20 : 439,611.60 = 168,658.40 : x
  2. Step 2: Convert to fraction form
    293,463.20/439,611.60 = 168,658.40/x
  3. Step 3: Cross multiply
    293,463.20x = 439,611.60 × 168,658.40
  4. Step 4: Simplify right side
    293,463.20x = 74,144,189,077.44
  5. Step 5: Solve for x
    x = 74,144,189,077.44/293,463.20
  6. Step 6: Final answer
    x = 252,652.42

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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.