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Finding the Fourth Proportional to 652,181.90, 978,758.85 and 336,476.30

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Solution

The fourth proportional to 652,181.90, 978,758.85 and 336,476.30 is: 504,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,181.90 : 978,758.85 = 336,476.30 : x
  2. Step 2: Convert to fraction form
    652,181.90/978,758.85 = 336,476.30/x
  3. Step 3: Cross multiply
    652,181.90x = 978,758.85 × 336,476.30
  4. Step 4: Simplify right side
    652,181.90x = 329,329,156,440.26
  5. Step 5: Solve for x
    x = 329,329,156,440.26/652,181.90
  6. Step 6: Final answer
    x = 504,965.19

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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.