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Finding the Fourth Proportional to 363,479.10, 501,648.24 and 208,490.86

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Solution

The fourth proportional to 363,479.10, 501,648.24 and 208,490.86 is: 287,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,479.10 : 501,648.24 = 208,490.86 : x
  2. Step 2: Convert to fraction form
    363,479.10/501,648.24 = 208,490.86/x
  3. Step 3: Cross multiply
    363,479.10x = 501,648.24 × 208,490.86
  4. Step 4: Simplify right side
    363,479.10x = 104,589,072,975.09
  5. Step 5: Solve for x
    x = 104,589,072,975.09/363,479.10
  6. Step 6: Final answer
    x = 287,744.39

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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.