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Finding the Fourth Proportional to 299,000.90, 448,829.40 and 165,812.60

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Solution

The fourth proportional to 299,000.90, 448,829.40 and 165,812.60 is: 248,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,000.90 : 448,829.40 = 165,812.60 : x
  2. Step 2: Convert to fraction form
    299,000.90/448,829.40 = 165,812.60/x
  3. Step 3: Cross multiply
    299,000.90x = 448,829.40 × 165,812.60
  4. Step 4: Simplify right side
    299,000.90x = 74,421,569,770.44
  5. Step 5: Solve for x
    x = 74,421,569,770.44/299,000.90
  6. Step 6: Final answer
    x = 248,900.82

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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.