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Finding the Fourth Proportional to 366,906.70, 550,360.05 and 316,168.30

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Solution

The fourth proportional to 366,906.70, 550,360.05 and 316,168.30 is: 474,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,906.70 : 550,360.05 = 316,168.30 : x
  2. Step 2: Convert to fraction form
    366,906.70/550,360.05 = 316,168.30/x
  3. Step 3: Cross multiply
    366,906.70x = 550,360.05 × 316,168.30
  4. Step 4: Simplify right side
    366,906.70x = 174,006,401,396.42
  5. Step 5: Solve for x
    x = 174,006,401,396.42/366,906.70
  6. Step 6: Final answer
    x = 474,252.45

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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.