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Finding the Fourth Proportional to 233,240.80, 349,342.80 and 191,768.80

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Solution

The fourth proportional to 233,240.80, 349,342.80 and 191,768.80 is: 287,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,240.80 : 349,342.80 = 191,768.80 : x
  2. Step 2: Convert to fraction form
    233,240.80/349,342.80 = 191,768.80/x
  3. Step 3: Cross multiply
    233,240.80x = 349,342.80 × 191,768.80
  4. Step 4: Simplify right side
    233,240.80x = 66,993,049,544.64
  5. Step 5: Solve for x
    x = 66,993,049,544.64/233,240.80
  6. Step 6: Final answer
    x = 287,226.98

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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.