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Finding the Fourth Proportional to 365,811.75, 548,816.22 and 152,508.78

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Solution

The fourth proportional to 365,811.75, 548,816.22 and 152,508.78 is: 228,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,811.75 : 548,816.22 = 152,508.78 : x
  2. Step 2: Convert to fraction form
    365,811.75/548,816.22 = 152,508.78/x
  3. Step 3: Cross multiply
    365,811.75x = 548,816.22 × 152,508.78
  4. Step 4: Simplify right side
    365,811.75x = 83,699,292,156.41
  5. Step 5: Solve for x
    x = 83,699,292,156.41/365,811.75
  6. Step 6: Final answer
    x = 228,804.27

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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.