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Finding the Fourth Proportional to 447,668.04, 671,662.50 and 223,008.45

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Solution

The fourth proportional to 447,668.04, 671,662.50 and 223,008.45 is: 334,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,668.04 : 671,662.50 = 223,008.45 : x
  2. Step 2: Convert to fraction form
    447,668.04/671,662.50 = 223,008.45/x
  3. Step 3: Cross multiply
    447,668.04x = 671,662.50 × 223,008.45
  4. Step 4: Simplify right side
    447,668.04x = 149,786,413,048.13
  5. Step 5: Solve for x
    x = 149,786,413,048.13/447,668.04
  6. Step 6: Final answer
    x = 334,592.60

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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.