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Finding the Fourth Proportional to 362,370.60, 543,620.70 and 152,029.80

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Solution

The fourth proportional to 362,370.60, 543,620.70 and 152,029.80 is: 228,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,370.60 : 543,620.70 = 152,029.80 : x
  2. Step 2: Convert to fraction form
    362,370.60/543,620.70 = 152,029.80/x
  3. Step 3: Cross multiply
    362,370.60x = 543,620.70 × 152,029.80
  4. Step 4: Simplify right side
    362,370.60x = 82,646,546,296.86
  5. Step 5: Solve for x
    x = 82,646,546,296.86/362,370.60
  6. Step 6: Final answer
    x = 228,071.89

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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.