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Finding the Fourth Proportional to 319,842.32, 441,379.32 and 176,599.31

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Solution

The fourth proportional to 319,842.32, 441,379.32 and 176,599.31 is: 243,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,842.32 : 441,379.32 = 176,599.31 : x
  2. Step 2: Convert to fraction form
    319,842.32/441,379.32 = 176,599.31/x
  3. Step 3: Cross multiply
    319,842.32x = 441,379.32 × 176,599.31
  4. Step 4: Simplify right side
    319,842.32x = 77,947,283,360.27
  5. Step 5: Solve for x
    x = 77,947,283,360.27/319,842.32
  6. Step 6: Final answer
    x = 243,705.35

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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.