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Finding the Fourth Proportional to 351,525.58, 485,102.52 and 190,376.92

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Solution

The fourth proportional to 351,525.58, 485,102.52 and 190,376.92 is: 262,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,525.58 : 485,102.52 = 190,376.92 : x
  2. Step 2: Convert to fraction form
    351,525.58/485,102.52 = 190,376.92/x
  3. Step 3: Cross multiply
    351,525.58x = 485,102.52 × 190,376.92
  4. Step 4: Simplify right side
    351,525.58x = 92,352,323,641.84
  5. Step 5: Solve for x
    x = 92,352,323,641.84/351,525.58
  6. Step 6: Final answer
    x = 262,718.64

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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.