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Finding the Fourth Proportional to 299,616,929.80, 449,761,317.90 and 231,760,443.40

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Solution

The fourth proportional to 299,616,929.80, 449,761,317.90 and 231,760,443.40 is: 347,900,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,616,929.80 : 449,761,317.90 = 231,760,443.40 : x
  2. Step 2: Convert to fraction form
    299,616,929.80/449,761,317.90 = 231,760,443.40/x
  3. Step 3: Cross multiply
    299,616,929.80x = 449,761,317.90 × 231,760,443.40
  4. Step 4: Simplify right side
    299,616,929.80x = 104,236,882,460,672,352
  5. Step 5: Solve for x
    x = 104,236,882,460,672,352/299,616,929.80
  6. Step 6: Final answer
    x = 347,900,509.26

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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.