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Finding the Fourth Proportional to 340,556.64, 469,926.96 and 195,354.84

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Solution

The fourth proportional to 340,556.64, 469,926.96 and 195,354.84 is: 269,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,556.64 : 469,926.96 = 195,354.84 : x
  2. Step 2: Convert to fraction form
    340,556.64/469,926.96 = 195,354.84/x
  3. Step 3: Cross multiply
    340,556.64x = 469,926.96 × 195,354.84
  4. Step 4: Simplify right side
    340,556.64x = 91,802,506,082.49
  5. Step 5: Solve for x
    x = 91,802,506,082.49/340,556.64
  6. Step 6: Final answer
    x = 269,566.04

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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.