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Finding the Fourth Proportional to 321,483.04, 443,624.88 and 185,522.64

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Solution

The fourth proportional to 321,483.04, 443,624.88 and 185,522.64 is: 256,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,483.04 : 443,624.88 = 185,522.64 : x
  2. Step 2: Convert to fraction form
    321,483.04/443,624.88 = 185,522.64/x
  3. Step 3: Cross multiply
    321,483.04x = 443,624.88 × 185,522.64
  4. Step 4: Simplify right side
    321,483.04x = 82,302,458,907.28
  5. Step 5: Solve for x
    x = 82,302,458,907.28/321,483.04
  6. Step 6: Final answer
    x = 256,008.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.