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Finding the Fourth Proportional to 362,289.80, 543,693.90 and 152,078.60

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Solution

The fourth proportional to 362,289.80, 543,693.90 and 152,078.60 is: 228,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,289.80 : 543,693.90 = 152,078.60 : x
  2. Step 2: Convert to fraction form
    362,289.80/543,693.90 = 152,078.60/x
  3. Step 3: Cross multiply
    362,289.80x = 543,693.90 × 152,078.60
  4. Step 4: Simplify right side
    362,289.80x = 82,684,207,140.54
  5. Step 5: Solve for x
    x = 82,684,207,140.54/362,289.80
  6. Step 6: Final answer
    x = 228,226.70

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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.