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Finding the Fourth Proportional to 345,017.36, 476,119.08 and 194,114

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Solution

The fourth proportional to 345,017.36, 476,119.08 and 194,114 is: 267,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,017.36 : 476,119.08 = 194,114 : x
  2. Step 2: Convert to fraction form
    345,017.36/476,119.08 = 194,114/x
  3. Step 3: Cross multiply
    345,017.36x = 476,119.08 × 194,114
  4. Step 4: Simplify right side
    345,017.36x = 92,421,379,095.12
  5. Step 5: Solve for x
    x = 92,421,379,095.12/345,017.36
  6. Step 6: Final answer
    x = 267,874.58

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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.