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Finding the Fourth Proportional to 351,666.54, 485,299.14 and 190,525.61

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Solution

The fourth proportional to 351,666.54, 485,299.14 and 190,525.61 is: 262,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,666.54 : 485,299.14 = 190,525.61 : x
  2. Step 2: Convert to fraction form
    351,666.54/485,299.14 = 190,525.61/x
  3. Step 3: Cross multiply
    351,666.54x = 485,299.14 × 190,525.61
  4. Step 4: Simplify right side
    351,666.54x = 92,461,914,680.98
  5. Step 5: Solve for x
    x = 92,461,914,680.98/351,666.54
  6. Step 6: Final answer
    x = 262,924.97

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1.5x scale

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.