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Finding the Fourth Proportional to 293,402.70, 440,104.05 and 200,090.70

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Solution

The fourth proportional to 293,402.70, 440,104.05 and 200,090.70 is: 300,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,402.70 : 440,104.05 = 200,090.70 : x
  2. Step 2: Convert to fraction form
    293,402.70/440,104.05 = 200,090.70/x
  3. Step 3: Cross multiply
    293,402.70x = 440,104.05 × 200,090.70
  4. Step 4: Simplify right side
    293,402.70x = 88,060,727,437.34
  5. Step 5: Solve for x
    x = 88,060,727,437.34/293,402.70
  6. Step 6: Final answer
    x = 300,136.05

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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.