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Finding the Fourth Proportional to 264,478.86, 364,985.18 and 149,754.48

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Solution

The fourth proportional to 264,478.86, 364,985.18 and 149,754.48 is: 206,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,478.86 : 364,985.18 = 149,754.48 : x
  2. Step 2: Convert to fraction form
    264,478.86/364,985.18 = 149,754.48/x
  3. Step 3: Cross multiply
    264,478.86x = 364,985.18 × 149,754.48
  4. Step 4: Simplify right side
    264,478.86x = 54,658,165,838.61
  5. Step 5: Solve for x
    x = 54,658,165,838.61/264,478.86
  6. Step 6: Final answer
    x = 206,663.65

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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.