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Finding the Fourth Proportional to 243,270.39, 364,904.70 and 65,777.39

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Solution

The fourth proportional to 243,270.39, 364,904.70 and 65,777.39 is: 98,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,270.39 : 364,904.70 = 65,777.39 : x
  2. Step 2: Convert to fraction form
    243,270.39/364,904.70 = 65,777.39/x
  3. Step 3: Cross multiply
    243,270.39x = 364,904.70 × 65,777.39
  4. Step 4: Simplify right side
    243,270.39x = 24,002,478,764.73
  5. Step 5: Solve for x
    x = 24,002,478,764.73/243,270.39
  6. Step 6: Final answer
    x = 98,665.85

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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.