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Finding the Fourth Proportional to 298,274.04, 411,618.96 and 162,307.96

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Solution

The fourth proportional to 298,274.04, 411,618.96 and 162,307.96 is: 223,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,274.04 : 411,618.96 = 162,307.96 : x
  2. Step 2: Convert to fraction form
    298,274.04/411,618.96 = 162,307.96/x
  3. Step 3: Cross multiply
    298,274.04x = 411,618.96 × 162,307.96
  4. Step 4: Simplify right side
    298,274.04x = 66,809,033,694.92
  5. Step 5: Solve for x
    x = 66,809,033,694.92/298,274.04
  6. Step 6: Final answer
    x = 223,985.41

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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.