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Finding the Fourth Proportional to 351,597.74, 485,205.46 and 190,454.11

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Solution

The fourth proportional to 351,597.74, 485,205.46 and 190,454.11 is: 262,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,597.74 : 485,205.46 = 190,454.11 : x
  2. Step 2: Convert to fraction form
    351,597.74/485,205.46 = 190,454.11/x
  3. Step 3: Cross multiply
    351,597.74x = 485,205.46 × 190,454.11
  4. Step 4: Simplify right side
    351,597.74x = 92,409,372,362.29
  5. Step 5: Solve for x
    x = 92,409,372,362.29/351,597.74
  6. Step 6: Final answer
    x = 262,826.98

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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.