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Finding the Fourth Proportional to 299,742.60, 449,613.90 and 232,820.40

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Solution

The fourth proportional to 299,742.60, 449,613.90 and 232,820.40 is: 349,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,742.60 : 449,613.90 = 232,820.40 : x
  2. Step 2: Convert to fraction form
    299,742.60/449,613.90 = 232,820.40/x
  3. Step 3: Cross multiply
    299,742.60x = 449,613.90 × 232,820.40
  4. Step 4: Simplify right side
    299,742.60x = 104,679,288,043.56
  5. Step 5: Solve for x
    x = 104,679,288,043.56/299,742.60
  6. Step 6: Final answer
    x = 349,230.60

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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.