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Finding the Fourth Proportional to 319,606.69, 441,058.53 and 176,370.88

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Solution

The fourth proportional to 319,606.69, 441,058.53 and 176,370.88 is: 243,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,606.69 : 441,058.53 = 176,370.88 : x
  2. Step 2: Convert to fraction form
    319,606.69/441,058.53 = 176,370.88/x
  3. Step 3: Cross multiply
    319,606.69x = 441,058.53 × 176,370.88
  4. Step 4: Simplify right side
    319,606.69x = 77,789,881,067.61
  5. Step 5: Solve for x
    x = 77,789,881,067.61/319,606.69
  6. Step 6: Final answer
    x = 243,392.53

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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.