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Finding the Fourth Proportional to 380,199.80, 569,838.90 and 169,614.20

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Solution

The fourth proportional to 380,199.80, 569,838.90 and 169,614.20 is: 254,215.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,199.80 : 569,838.90 = 169,614.20 : x
  2. Step 2: Convert to fraction form
    380,199.80/569,838.90 = 169,614.20/x
  3. Step 3: Cross multiply
    380,199.80x = 569,838.90 × 169,614.20
  4. Step 4: Simplify right side
    380,199.80x = 96,652,769,152.38
  5. Step 5: Solve for x
    x = 96,652,769,152.38/380,199.80
  6. Step 6: Final answer
    x = 254,215.73

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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.