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Finding the Fourth Proportional to 350,644, 483,888.72 and 191,668

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Solution

The fourth proportional to 350,644, 483,888.72 and 191,668 is: 264,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,644 : 483,888.72 = 191,668 : x
  2. Step 2: Convert to fraction form
    350,644/483,888.72 = 191,668/x
  3. Step 3: Cross multiply
    350,644x = 483,888.72 × 191,668
  4. Step 4: Simplify right side
    350,644x = 92,745,983,184.96
  5. Step 5: Solve for x
    x = 92,745,983,184.96/350,644
  6. Step 6: Final answer
    x = 264,501.84

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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.