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Finding the Fourth Proportional to 652,201.20, 978,301.80 and 463,244.40

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Solution

The fourth proportional to 652,201.20, 978,301.80 and 463,244.40 is: 694,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,201.20 : 978,301.80 = 463,244.40 : x
  2. Step 2: Convert to fraction form
    652,201.20/978,301.80 = 463,244.40/x
  3. Step 3: Cross multiply
    652,201.20x = 978,301.80 × 463,244.40
  4. Step 4: Simplify right side
    652,201.20x = 453,192,830,359.92
  5. Step 5: Solve for x
    x = 453,192,830,359.92/652,201.20
  6. Step 6: Final answer
    x = 694,866.60

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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.