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Finding the Fourth Proportional to 217,416.60, 304,936.20 and 217,416.60

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Solution

The fourth proportional to 217,416.60, 304,936.20 and 217,416.60 is: 304,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,416.60 : 304,936.20 = 217,416.60 : x
  2. Step 2: Convert to fraction form
    217,416.60/304,936.20 = 217,416.60/x
  3. Step 3: Cross multiply
    217,416.60x = 304,936.20 × 217,416.60
  4. Step 4: Simplify right side
    217,416.60x = 66,298,191,820.92
  5. Step 5: Solve for x
    x = 66,298,191,820.92/217,416.60
  6. Step 6: Final answer
    x = 304,936.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.