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Finding the Fourth Proportional to 299,610,302.69, 449,415,454.04 and 84,199,550.69

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Solution

The fourth proportional to 299,610,302.69, 449,415,454.04 and 84,199,550.69 is: 126,299,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,610,302.69 : 449,415,454.04 = 84,199,550.69 : x
  2. Step 2: Convert to fraction form
    299,610,302.69/449,415,454.04 = 84,199,550.69/x
  3. Step 3: Cross multiply
    299,610,302.69x = 449,415,454.04 × 84,199,550.69
  4. Step 4: Simplify right side
    299,610,302.69x = 37,840,579,303,310,344
  5. Step 5: Solve for x
    x = 37,840,579,303,310,344/299,610,302.69
  6. Step 6: Final answer
    x = 126,299,326.04

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1.5x scale

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.