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Finding the Fourth Proportional to 293,343.70, 440,015.55 and 200,031.70

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Solution

The fourth proportional to 293,343.70, 440,015.55 and 200,031.70 is: 300,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,343.70 : 440,015.55 = 200,031.70 : x
  2. Step 2: Convert to fraction form
    293,343.70/440,015.55 = 200,031.70/x
  3. Step 3: Cross multiply
    293,343.70x = 440,015.55 × 200,031.70
  4. Step 4: Simplify right side
    293,343.70x = 88,017,058,492.94
  5. Step 5: Solve for x
    x = 88,017,058,492.94/293,343.70
  6. Step 6: Final answer
    x = 300,047.55

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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.