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Finding the Fourth Proportional to 242,352.20, 363,485.10 and 153,446.60

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Solution

The fourth proportional to 242,352.20, 363,485.10 and 153,446.60 is: 230,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,352.20 : 363,485.10 = 153,446.60 : x
  2. Step 2: Convert to fraction form
    242,352.20/363,485.10 = 153,446.60/x
  3. Step 3: Cross multiply
    242,352.20x = 363,485.10 × 153,446.60
  4. Step 4: Simplify right side
    242,352.20x = 55,775,552,745.66
  5. Step 5: Solve for x
    x = 55,775,552,745.66/242,352.20
  6. Step 6: Final answer
    x = 230,142.55

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1.5x scale

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.