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Finding the Fourth Proportional to 329,776, 455,090.92 and 186,532.96

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Solution

The fourth proportional to 329,776, 455,090.92 and 186,532.96 is: 257,415.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,776 : 455,090.92 = 186,532.96 : x
  2. Step 2: Convert to fraction form
    329,776/455,090.92 = 186,532.96/x
  3. Step 3: Cross multiply
    329,776x = 455,090.92 × 186,532.96
  4. Step 4: Simplify right side
    329,776x = 84,889,456,376.72
  5. Step 5: Solve for x
    x = 84,889,456,376.72/329,776
  6. Step 6: Final answer
    x = 257,415.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.