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Finding the Fourth Proportional to 363,968.50, 502,217.43 and 210,976.84

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Solution

The fourth proportional to 363,968.50, 502,217.43 and 210,976.84 is: 291,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,968.50 : 502,217.43 = 210,976.84 : x
  2. Step 2: Convert to fraction form
    363,968.50/502,217.43 = 210,976.84/x
  3. Step 3: Cross multiply
    363,968.50x = 502,217.43 × 210,976.84
  4. Step 4: Simplify right side
    363,968.50x = 105,956,246,374.32
  5. Step 5: Solve for x
    x = 105,956,246,374.32/363,968.50
  6. Step 6: Final answer
    x = 291,113.78

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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.