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Finding the Fourth Proportional to 350,850.64, 526,246.80 and 140,500.12

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Solution

The fourth proportional to 350,850.64, 526,246.80 and 140,500.12 is: 210,738.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,850.64 : 526,246.80 = 140,500.12 : x
  2. Step 2: Convert to fraction form
    350,850.64/526,246.80 = 140,500.12/x
  3. Step 3: Cross multiply
    350,850.64x = 526,246.80 × 140,500.12
  4. Step 4: Simplify right side
    350,850.64x = 73,937,738,549.62
  5. Step 5: Solve for x
    x = 73,937,738,549.62/350,850.64
  6. Step 6: Final answer
    x = 210,738.50

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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.