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Finding the Fourth Proportional to 319,668.52, 441,143.48 and 174,475.64

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Solution

The fourth proportional to 319,668.52, 441,143.48 and 174,475.64 is: 240,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,668.52 : 441,143.48 = 174,475.64 : x
  2. Step 2: Convert to fraction form
    319,668.52/441,143.48 = 174,475.64/x
  3. Step 3: Cross multiply
    319,668.52x = 441,143.48 × 174,475.64
  4. Step 4: Simplify right side
    319,668.52x = 76,968,791,004.83
  5. Step 5: Solve for x
    x = 76,968,791,004.83/319,668.52
  6. Step 6: Final answer
    x = 240,776.89

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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.