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Finding the Fourth Proportional to 243,489.40, 365,234.10 and 184,440.40

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Solution

The fourth proportional to 243,489.40, 365,234.10 and 184,440.40 is: 276,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,489.40 : 365,234.10 = 184,440.40 : x
  2. Step 2: Convert to fraction form
    243,489.40/365,234.10 = 184,440.40/x
  3. Step 3: Cross multiply
    243,489.40x = 365,234.10 × 184,440.40
  4. Step 4: Simplify right side
    243,489.40x = 67,363,923,497.64
  5. Step 5: Solve for x
    x = 67,363,923,497.64/243,489.40
  6. Step 6: Final answer
    x = 276,660.60

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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.