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Finding the Fourth Proportional to 344,379.70, 475,252.77 and 189,329.10

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Solution

The fourth proportional to 344,379.70, 475,252.77 and 189,329.10 is: 261,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,379.70 : 475,252.77 = 189,329.10 : x
  2. Step 2: Convert to fraction form
    344,379.70/475,252.77 = 189,329.10/x
  3. Step 3: Cross multiply
    344,379.70x = 475,252.77 × 189,329.10
  4. Step 4: Simplify right side
    344,379.70x = 89,979,177,079.42
  5. Step 5: Solve for x
    x = 89,979,177,079.42/344,379.70
  6. Step 6: Final answer
    x = 261,278.98

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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.