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Finding the Fourth Proportional to 368,544, 552,819.14 and 102,325.28

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Solution

The fourth proportional to 368,544, 552,819.14 and 102,325.28 is: 153,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,544 : 552,819.14 = 102,325.28 : x
  2. Step 2: Convert to fraction form
    368,544/552,819.14 = 102,325.28/x
  3. Step 3: Cross multiply
    368,544x = 552,819.14 × 102,325.28
  4. Step 4: Simplify right side
    368,544x = 56,567,373,289.86
  5. Step 5: Solve for x
    x = 56,567,373,289.86/368,544
  6. Step 6: Final answer
    x = 153,488.79

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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.