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Finding the Fourth Proportional to 336,001.20, 503,418.60 and 217,611.60

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Solution

The fourth proportional to 336,001.20, 503,418.60 and 217,611.60 is: 326,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,001.20 : 503,418.60 = 217,611.60 : x
  2. Step 2: Convert to fraction form
    336,001.20/503,418.60 = 217,611.60/x
  3. Step 3: Cross multiply
    336,001.20x = 503,418.60 × 217,611.60
  4. Step 4: Simplify right side
    336,001.20x = 109,549,727,015.76
  5. Step 5: Solve for x
    x = 109,549,727,015.76/336,001.20
  6. Step 6: Final answer
    x = 326,039.69

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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.