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Finding the Fourth Proportional to 345,526.72, 476,808.48 and 194,614

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Solution

The fourth proportional to 345,526.72, 476,808.48 and 194,614 is: 268,556.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,526.72 : 476,808.48 = 194,614 : x
  2. Step 2: Convert to fraction form
    345,526.72/476,808.48 = 194,614/x
  3. Step 3: Cross multiply
    345,526.72x = 476,808.48 × 194,614
  4. Step 4: Simplify right side
    345,526.72x = 92,793,605,526.72
  5. Step 5: Solve for x
    x = 92,793,605,526.72/345,526.72
  6. Step 6: Final answer
    x = 268,556.96

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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.