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Finding the Fourth Proportional to 295,646.67, 443,104.11 and 210,121.22

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Solution

The fourth proportional to 295,646.67, 443,104.11 and 210,121.22 is: 314,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,646.67 : 443,104.11 = 210,121.22 : x
  2. Step 2: Convert to fraction form
    295,646.67/443,104.11 = 210,121.22/x
  3. Step 3: Cross multiply
    295,646.67x = 443,104.11 × 210,121.22
  4. Step 4: Simplify right side
    295,646.67x = 93,105,573,964.69
  5. Step 5: Solve for x
    x = 93,105,573,964.69/295,646.67
  6. Step 6: Final answer
    x = 314,921.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.