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Finding the Fourth Proportional to 652,528.20, 978,792.30 and 226,063.20

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Solution

The fourth proportional to 652,528.20, 978,792.30 and 226,063.20 is: 339,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,528.20 : 978,792.30 = 226,063.20 : x
  2. Step 2: Convert to fraction form
    652,528.20/978,792.30 = 226,063.20/x
  3. Step 3: Cross multiply
    652,528.20x = 978,792.30 × 226,063.20
  4. Step 4: Simplify right side
    652,528.20x = 221,268,919,473.36
  5. Step 5: Solve for x
    x = 221,268,919,473.36/652,528.20
  6. Step 6: Final answer
    x = 339,094.80

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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.