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Finding the Fourth Proportional to 260,081.89, 358,814.10 and 192,261.70

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Solution

The fourth proportional to 260,081.89, 358,814.10 and 192,261.70 is: 265,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,081.89 : 358,814.10 = 192,261.70 : x
  2. Step 2: Convert to fraction form
    260,081.89/358,814.10 = 192,261.70/x
  3. Step 3: Cross multiply
    260,081.89x = 358,814.10 × 192,261.70
  4. Step 4: Simplify right side
    260,081.89x = 68,986,210,019.47
  5. Step 5: Solve for x
    x = 68,986,210,019.47/260,081.89
  6. Step 6: Final answer
    x = 265,248.04

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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.