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Finding the Fourth Proportional to 246,119.20, 369,178.80 and 243,786.40

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Solution

The fourth proportional to 246,119.20, 369,178.80 and 243,786.40 is: 365,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,119.20 : 369,178.80 = 243,786.40 : x
  2. Step 2: Convert to fraction form
    246,119.20/369,178.80 = 243,786.40/x
  3. Step 3: Cross multiply
    246,119.20x = 369,178.80 × 243,786.40
  4. Step 4: Simplify right side
    246,119.20x = 90,000,770,608.32
  5. Step 5: Solve for x
    x = 90,000,770,608.32/246,119.20
  6. Step 6: Final answer
    x = 365,679.60

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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.