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Finding the Fourth Proportional to 370,214.62, 510,636.36 and 227,031.73

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Solution

The fourth proportional to 370,214.62, 510,636.36 and 227,031.73 is: 313,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,214.62 : 510,636.36 = 227,031.73 : x
  2. Step 2: Convert to fraction form
    370,214.62/510,636.36 = 227,031.73/x
  3. Step 3: Cross multiply
    370,214.62x = 510,636.36 × 227,031.73
  4. Step 4: Simplify right side
    370,214.62x = 115,930,656,211.70
  5. Step 5: Solve for x
    x = 115,930,656,211.70/370,214.62
  6. Step 6: Final answer
    x = 313,144.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.