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Finding the Fourth Proportional to 294,274, 406,141.86 and 173,376.64

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Solution

The fourth proportional to 294,274, 406,141.86 and 173,376.64 is: 239,285.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,274 : 406,141.86 = 173,376.64 : x
  2. Step 2: Convert to fraction form
    294,274/406,141.86 = 173,376.64/x
  3. Step 3: Cross multiply
    294,274x = 406,141.86 × 173,376.64
  4. Step 4: Simplify right side
    294,274x = 70,415,511,050.15
  5. Step 5: Solve for x
    x = 70,415,511,050.15/294,274
  6. Step 6: Final answer
    x = 239,285.53

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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.