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Finding the Fourth Proportional to 652,245.70, 978,368.55 and 231,564.10

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Solution

The fourth proportional to 652,245.70, 978,368.55 and 231,564.10 is: 347,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,245.70 : 978,368.55 = 231,564.10 : x
  2. Step 2: Convert to fraction form
    652,245.70/978,368.55 = 231,564.10/x
  3. Step 3: Cross multiply
    652,245.70x = 978,368.55 × 231,564.10
  4. Step 4: Simplify right side
    652,245.70x = 226,555,032,749.06
  5. Step 5: Solve for x
    x = 226,555,032,749.06/652,245.70
  6. Step 6: Final answer
    x = 347,346.15

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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.