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Finding the Fourth Proportional to 351,698.84, 485,340.54 and 190,544.27

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Solution

The fourth proportional to 351,698.84, 485,340.54 and 190,544.27 is: 262,949.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,698.84 : 485,340.54 = 190,544.27 : x
  2. Step 2: Convert to fraction form
    351,698.84/485,340.54 = 190,544.27/x
  3. Step 3: Cross multiply
    351,698.84x = 485,340.54 × 190,544.27
  4. Step 4: Simplify right side
    351,698.84x = 92,478,858,895.71
  5. Step 5: Solve for x
    x = 92,478,858,895.71/351,698.84
  6. Step 6: Final answer
    x = 262,949.00

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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.