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Finding the Fourth Proportional to 242,152.40, 363,228.60 and 189,606.80

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Solution

The fourth proportional to 242,152.40, 363,228.60 and 189,606.80 is: 284,410.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,152.40 : 363,228.60 = 189,606.80 : x
  2. Step 2: Convert to fraction form
    242,152.40/363,228.60 = 189,606.80/x
  3. Step 3: Cross multiply
    242,152.40x = 363,228.60 × 189,606.80
  4. Step 4: Simplify right side
    242,152.40x = 68,870,612,514.48
  5. Step 5: Solve for x
    x = 68,870,612,514.48/242,152.40
  6. Step 6: Final answer
    x = 284,410.20

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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.