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Finding the Fourth Proportional to 351,555.94, 485,147.01 and 190,410.94

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Solution

The fourth proportional to 351,555.94, 485,147.01 and 190,410.94 is: 262,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,555.94 : 485,147.01 = 190,410.94 : x
  2. Step 2: Convert to fraction form
    351,555.94/485,147.01 = 190,410.94/x
  3. Step 3: Cross multiply
    351,555.94x = 485,147.01 × 190,410.94
  4. Step 4: Simplify right side
    351,555.94x = 92,377,298,212.29
  5. Step 5: Solve for x
    x = 92,377,298,212.29/351,555.94
  6. Step 6: Final answer
    x = 262,767.00

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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.