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Finding the Fourth Proportional to 242,150.40, 363,225.60 and 189,604.80

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Solution

The fourth proportional to 242,150.40, 363,225.60 and 189,604.80 is: 284,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,150.40 : 363,225.60 = 189,604.80 : x
  2. Step 2: Convert to fraction form
    242,150.40/363,225.60 = 189,604.80/x
  3. Step 3: Cross multiply
    242,150.40x = 363,225.60 × 189,604.80
  4. Step 4: Simplify right side
    242,150.40x = 68,869,317,242.88
  5. Step 5: Solve for x
    x = 68,869,317,242.88/242,150.40
  6. Step 6: Final answer
    x = 284,407.20

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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.