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Finding the Fourth Proportional to 243,472.40, 364,960.20 and 164,594.60

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Solution

The fourth proportional to 243,472.40, 364,960.20 and 164,594.60 is: 246,723.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,472.40 : 364,960.20 = 164,594.60 : x
  2. Step 2: Convert to fraction form
    243,472.40/364,960.20 = 164,594.60/x
  3. Step 3: Cross multiply
    243,472.40x = 364,960.20 × 164,594.60
  4. Step 4: Simplify right side
    243,472.40x = 60,070,478,134.92
  5. Step 5: Solve for x
    x = 60,070,478,134.92/243,472.40
  6. Step 6: Final answer
    x = 246,723.97

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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.