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Finding the Fourth Proportional to 351,226.90, 526,517.40 and 126,532.40

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Solution

The fourth proportional to 351,226.90, 526,517.40 and 126,532.40 is: 189,682.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,226.90 : 526,517.40 = 126,532.40 : x
  2. Step 2: Convert to fraction form
    351,226.90/526,517.40 = 126,532.40/x
  3. Step 3: Cross multiply
    351,226.90x = 526,517.40 × 126,532.40
  4. Step 4: Simplify right side
    351,226.90x = 66,621,510,263.76
  5. Step 5: Solve for x
    x = 66,621,510,263.76/351,226.90
  6. Step 6: Final answer
    x = 189,682.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.