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Finding the Fourth Proportional to 511,663.02, 767,496.39 and 156,675.60

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Solution

The fourth proportional to 511,663.02, 767,496.39 and 156,675.60 is: 235,013.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,663.02 : 767,496.39 = 156,675.60 : x
  2. Step 2: Convert to fraction form
    511,663.02/767,496.39 = 156,675.60/x
  3. Step 3: Cross multiply
    511,663.02x = 767,496.39 × 156,675.60
  4. Step 4: Simplify right side
    511,663.02x = 120,247,957,401.08
  5. Step 5: Solve for x
    x = 120,247,957,401.08/511,663.02
  6. Step 6: Final answer
    x = 235,013.97

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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.