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Finding the Fourth Proportional to 295,815.20, 443,722.80 and 183,840.80

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Solution

The fourth proportional to 295,815.20, 443,722.80 and 183,840.80 is: 275,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,815.20 : 443,722.80 = 183,840.80 : x
  2. Step 2: Convert to fraction form
    295,815.20/443,722.80 = 183,840.80/x
  3. Step 3: Cross multiply
    295,815.20x = 443,722.80 × 183,840.80
  4. Step 4: Simplify right side
    295,815.20x = 81,574,354,530.24
  5. Step 5: Solve for x
    x = 81,574,354,530.24/295,815.20
  6. Step 6: Final answer
    x = 275,761.20

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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.