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Finding the Fourth Proportional to 233,311.60, 349,578.60 and 219,314.80

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Solution

The fourth proportional to 233,311.60, 349,578.60 and 219,314.80 is: 328,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,311.60 : 349,578.60 = 219,314.80 : x
  2. Step 2: Convert to fraction form
    233,311.60/349,578.60 = 219,314.80/x
  3. Step 3: Cross multiply
    233,311.60x = 349,578.60 × 219,314.80
  4. Step 4: Simplify right side
    233,311.60x = 76,667,760,743.28
  5. Step 5: Solve for x
    x = 76,667,760,743.28/233,311.60
  6. Step 6: Final answer
    x = 328,606.72

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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.