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Finding the Fourth Proportional to 295,903.20, 443,636.10 and 162,933.60

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Solution

The fourth proportional to 295,903.20, 443,636.10 and 162,933.60 is: 244,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,903.20 : 443,636.10 = 162,933.60 : x
  2. Step 2: Convert to fraction form
    295,903.20/443,636.10 = 162,933.60/x
  3. Step 3: Cross multiply
    295,903.20x = 443,636.10 × 162,933.60
  4. Step 4: Simplify right side
    295,903.20x = 72,283,226,862.96
  5. Step 5: Solve for x
    x = 72,283,226,862.96/295,903.20
  6. Step 6: Final answer
    x = 244,279.98

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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.