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Finding the Fourth Proportional to 194,398.68, 266,520.57 and 190,855.74

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Solution

The fourth proportional to 194,398.68, 266,520.57 and 190,855.74 is: 261,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,398.68 : 266,520.57 = 190,855.74 : x
  2. Step 2: Convert to fraction form
    194,398.68/266,520.57 = 190,855.74/x
  3. Step 3: Cross multiply
    194,398.68x = 266,520.57 × 190,855.74
  4. Step 4: Simplify right side
    194,398.68x = 50,866,980,612.57
  5. Step 5: Solve for x
    x = 50,866,980,612.57/194,398.68
  6. Step 6: Final answer
    x = 261,663.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.