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Finding the Fourth Proportional to 569,429.21, 853,971.26 and 299,411.84

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Solution

The fourth proportional to 569,429.21, 853,971.26 and 299,411.84 is: 449,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,429.21 : 853,971.26 = 299,411.84 : x
  2. Step 2: Convert to fraction form
    569,429.21/853,971.26 = 299,411.84/x
  3. Step 3: Cross multiply
    569,429.21x = 853,971.26 × 299,411.84
  4. Step 4: Simplify right side
    569,429.21x = 255,689,100,496.80
  5. Step 5: Solve for x
    x = 255,689,100,496.80/569,429.21
  6. Step 6: Final answer
    x = 449,027.02

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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.