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Finding the Fourth Proportional to 512,023.24, 767,967.43 and 152,186.41

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Solution

The fourth proportional to 512,023.24, 767,967.43 and 152,186.41 is: 228,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,023.24 : 767,967.43 = 152,186.41 : x
  2. Step 2: Convert to fraction form
    512,023.24/767,967.43 = 152,186.41/x
  3. Step 3: Cross multiply
    512,023.24x = 767,967.43 × 152,186.41
  4. Step 4: Simplify right side
    512,023.24x = 116,874,206,168.63
  5. Step 5: Solve for x
    x = 116,874,206,168.63/512,023.24
  6. Step 6: Final answer
    x = 228,259.57

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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.