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Finding the Fourth Proportional to 336,200.40, 503,857.80 and 247,035.60

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Solution

The fourth proportional to 336,200.40, 503,857.80 and 247,035.60 is: 370,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,200.40 : 503,857.80 = 247,035.60 : x
  2. Step 2: Convert to fraction form
    336,200.40/503,857.80 = 247,035.60/x
  3. Step 3: Cross multiply
    336,200.40x = 503,857.80 × 247,035.60
  4. Step 4: Simplify right side
    336,200.40x = 124,470,813,937.68
  5. Step 5: Solve for x
    x = 124,470,813,937.68/336,200.40
  6. Step 6: Final answer
    x = 370,228.04

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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.