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Finding the Fourth Proportional to 652,190.40, 978,285.60 and 463,233.60

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Solution

The fourth proportional to 652,190.40, 978,285.60 and 463,233.60 is: 694,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,190.40 : 978,285.60 = 463,233.60 : x
  2. Step 2: Convert to fraction form
    652,190.40/978,285.60 = 463,233.60/x
  3. Step 3: Cross multiply
    652,190.40x = 978,285.60 × 463,233.60
  4. Step 4: Simplify right side
    652,190.40x = 453,174,760,316.16
  5. Step 5: Solve for x
    x = 453,174,760,316.16/652,190.40
  6. Step 6: Final answer
    x = 694,850.40

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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.