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Finding the Fourth Proportional to 363,071.86, 501,144.69 and 242,212.85

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Solution

The fourth proportional to 363,071.86, 501,144.69 and 242,212.85 is: 334,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,071.86 : 501,144.69 = 242,212.85 : x
  2. Step 2: Convert to fraction form
    363,071.86/501,144.69 = 242,212.85/x
  3. Step 3: Cross multiply
    363,071.86x = 501,144.69 × 242,212.85
  4. Step 4: Simplify right side
    363,071.86x = 121,383,683,042.63
  5. Step 5: Solve for x
    x = 121,383,683,042.63/363,071.86
  6. Step 6: Final answer
    x = 334,324.13

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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.