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Finding the Fourth Proportional to 264,609.78, 365,192.79 and 157,180.23

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Solution

The fourth proportional to 264,609.78, 365,192.79 and 157,180.23 is: 216,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,609.78 : 365,192.79 = 157,180.23 : x
  2. Step 2: Convert to fraction form
    264,609.78/365,192.79 = 157,180.23/x
  3. Step 3: Cross multiply
    264,609.78x = 365,192.79 × 157,180.23
  4. Step 4: Simplify right side
    264,609.78x = 57,401,086,726.54
  5. Step 5: Solve for x
    x = 57,401,086,726.54/264,609.78
  6. Step 6: Final answer
    x = 216,927.31

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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.