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Finding the Fourth Proportional to 644,668.77, 967,002.10 and 171,354.08

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Solution

The fourth proportional to 644,668.77, 967,002.10 and 171,354.08 is: 257,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,668.77 : 967,002.10 = 171,354.08 : x
  2. Step 2: Convert to fraction form
    644,668.77/967,002.10 = 171,354.08/x
  3. Step 3: Cross multiply
    644,668.77x = 967,002.10 × 171,354.08
  4. Step 4: Simplify right side
    644,668.77x = 165,699,757,192.69
  5. Step 5: Solve for x
    x = 165,699,757,192.69/644,668.77
  6. Step 6: Final answer
    x = 257,030.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.