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Finding the Fourth Proportional to 488,912.58, 733,369.47 and 133,929.66

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Solution

The fourth proportional to 488,912.58, 733,369.47 and 133,929.66 is: 200,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,912.58 : 733,369.47 = 133,929.66 : x
  2. Step 2: Convert to fraction form
    488,912.58/733,369.47 = 133,929.66/x
  3. Step 3: Cross multiply
    488,912.58x = 733,369.47 × 133,929.66
  4. Step 4: Simplify right side
    488,912.58x = 98,219,923,771.48
  5. Step 5: Solve for x
    x = 98,219,923,771.48/488,912.58
  6. Step 6: Final answer
    x = 200,894.65

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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.