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Finding the Fourth Proportional to 652,239.40, 978,359.10 and 463,282.60

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Solution

The fourth proportional to 652,239.40, 978,359.10 and 463,282.60 is: 694,923.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,239.40 : 978,359.10 = 463,282.60 : x
  2. Step 2: Convert to fraction form
    652,239.40/978,359.10 = 463,282.60/x
  3. Step 3: Cross multiply
    652,239.40x = 978,359.10 × 463,282.60
  4. Step 4: Simplify right side
    652,239.40x = 453,256,747,581.66
  5. Step 5: Solve for x
    x = 453,256,747,581.66/652,239.40
  6. Step 6: Final answer
    x = 694,923.90

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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.