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Finding the Fourth Proportional to 260,049.65, 358,841.75 and 178,447.86

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Solution

The fourth proportional to 260,049.65, 358,841.75 and 178,447.86 is: 246,239.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,049.65 : 358,841.75 = 178,447.86 : x
  2. Step 2: Convert to fraction form
    260,049.65/358,841.75 = 178,447.86/x
  3. Step 3: Cross multiply
    260,049.65x = 358,841.75 × 178,447.86
  4. Step 4: Simplify right side
    260,049.65x = 64,034,541,473.92
  5. Step 5: Solve for x
    x = 64,034,541,473.92/260,049.65
  6. Step 6: Final answer
    x = 246,239.68

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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.