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Finding the Fourth Proportional to 329,566.50, 454,361.94 and 261,808.38

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Solution

The fourth proportional to 329,566.50, 454,361.94 and 261,808.38 is: 360,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,566.50 : 454,361.94 = 261,808.38 : x
  2. Step 2: Convert to fraction form
    329,566.50/454,361.94 = 261,808.38/x
  3. Step 3: Cross multiply
    329,566.50x = 454,361.94 × 261,808.38
  4. Step 4: Simplify right side
    329,566.50x = 118,955,763,445.06
  5. Step 5: Solve for x
    x = 118,955,763,445.06/329,566.50
  6. Step 6: Final answer
    x = 360,946.16

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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.