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Finding the Fourth Proportional to 351,598.74, 485,206.84 and 190,455.11

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Solution

The fourth proportional to 351,598.74, 485,206.84 and 190,455.11 is: 262,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,598.74 : 485,206.84 = 190,455.11 : x
  2. Step 2: Convert to fraction form
    351,598.74/485,206.84 = 190,455.11/x
  3. Step 3: Cross multiply
    351,598.74x = 485,206.84 × 190,455.11
  4. Step 4: Simplify right side
    351,598.74x = 92,410,122,084.95
  5. Step 5: Solve for x
    x = 92,410,122,084.95/351,598.74
  6. Step 6: Final answer
    x = 262,828.37

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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.