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Finding the Fourth Proportional to 321,094.69, 443,110.68 and 177,864.01

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Solution

The fourth proportional to 321,094.69, 443,110.68 and 177,864.01 is: 245,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,094.69 : 443,110.68 = 177,864.01 : x
  2. Step 2: Convert to fraction form
    321,094.69/443,110.68 = 177,864.01/x
  3. Step 3: Cross multiply
    321,094.69x = 443,110.68 × 177,864.01
  4. Step 4: Simplify right side
    321,094.69x = 78,813,442,418.63
  5. Step 5: Solve for x
    x = 78,813,442,418.63/321,094.69
  6. Step 6: Final answer
    x = 245,452.34

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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.