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Finding the Fourth Proportional to 321,897.59, 444,239.44 and 178,657.64

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Solution

The fourth proportional to 321,897.59, 444,239.44 and 178,657.64 is: 246,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,897.59 : 444,239.44 = 178,657.64 : x
  2. Step 2: Convert to fraction form
    321,897.59/444,239.44 = 178,657.64/x
  3. Step 3: Cross multiply
    321,897.59x = 444,239.44 × 178,657.64
  4. Step 4: Simplify right side
    321,897.59x = 79,366,770,609.28
  5. Step 5: Solve for x
    x = 79,366,770,609.28/321,897.59
  6. Step 6: Final answer
    x = 246,559.07

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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.