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Finding the Fourth Proportional to 319,957.75, 441,503.92 and 176,709.25

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Solution

The fourth proportional to 319,957.75, 441,503.92 and 176,709.25 is: 243,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,957.75 : 441,503.92 = 176,709.25 : x
  2. Step 2: Convert to fraction form
    319,957.75/441,503.92 = 176,709.25/x
  3. Step 3: Cross multiply
    319,957.75x = 441,503.92 × 176,709.25
  4. Step 4: Simplify right side
    319,957.75x = 78,017,826,575.26
  5. Step 5: Solve for x
    x = 78,017,826,575.26/319,957.75
  6. Step 6: Final answer
    x = 243,837.90

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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.