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Finding the Fourth Proportional to 270,677.89, 373,628.90 and 156,002.27

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Solution

The fourth proportional to 270,677.89, 373,628.90 and 156,002.27 is: 215,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,677.89 : 373,628.90 = 156,002.27 : x
  2. Step 2: Convert to fraction form
    270,677.89/373,628.90 = 156,002.27/x
  3. Step 3: Cross multiply
    270,677.89x = 373,628.90 × 156,002.27
  4. Step 4: Simplify right side
    270,677.89x = 58,286,957,161.13
  5. Step 5: Solve for x
    x = 58,286,957,161.13/270,677.89
  6. Step 6: Final answer
    x = 215,336.98

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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.