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Finding the Fourth Proportional to 965,472.40, 1,448,679 and 397,024.30

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Solution

The fourth proportional to 965,472.40, 1,448,679 and 397,024.30 is: 595,729.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,472.40 : 1,448,679 = 397,024.30 : x
  2. Step 2: Convert to fraction form
    965,472.40/1,448,679 = 397,024.30/x
  3. Step 3: Cross multiply
    965,472.40x = 1,448,679 × 397,024.30
  4. Step 4: Simplify right side
    965,472.40x = 575,160,765,899.70
  5. Step 5: Solve for x
    x = 575,160,765,899.70/965,472.40
  6. Step 6: Final answer
    x = 595,729.89

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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.