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Finding the Fourth Proportional to 652,307.40, 978,558.30 and 231,548.04

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Solution

The fourth proportional to 652,307.40, 978,558.30 and 231,548.04 is: 347,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,307.40 : 978,558.30 = 231,548.04 : x
  2. Step 2: Convert to fraction form
    652,307.40/978,558.30 = 231,548.04/x
  3. Step 3: Cross multiply
    652,307.40x = 978,558.30 × 231,548.04
  4. Step 4: Simplify right side
    652,307.40x = 226,583,256,390.73
  5. Step 5: Solve for x
    x = 226,583,256,390.73/652,307.40
  6. Step 6: Final answer
    x = 347,356.56

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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.