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Finding the Fourth Proportional to 442,960.60, 664,440.90 and 293,369.80

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Solution

The fourth proportional to 442,960.60, 664,440.90 and 293,369.80 is: 440,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,960.60 : 664,440.90 = 293,369.80 : x
  2. Step 2: Convert to fraction form
    442,960.60/664,440.90 = 293,369.80/x
  3. Step 3: Cross multiply
    442,960.60x = 664,440.90 × 293,369.80
  4. Step 4: Simplify right side
    442,960.60x = 194,926,893,944.82
  5. Step 5: Solve for x
    x = 194,926,893,944.82/442,960.60
  6. Step 6: Final answer
    x = 440,054.70

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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.