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Finding the Fourth Proportional to 319,762.34, 441,273.44 and 176,523.56

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Solution

The fourth proportional to 319,762.34, 441,273.44 and 176,523.56 is: 243,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,762.34 : 441,273.44 = 176,523.56 : x
  2. Step 2: Convert to fraction form
    319,762.34/441,273.44 = 176,523.56/x
  3. Step 3: Cross multiply
    319,762.34x = 441,273.44 × 176,523.56
  4. Step 4: Simplify right side
    319,762.34x = 77,895,157,790.00
  5. Step 5: Solve for x
    x = 77,895,157,790.00/319,762.34
  6. Step 6: Final answer
    x = 243,603.29

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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.