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Finding the Fourth Proportional to 471,246.60, 706,869.90 and 246,520.20

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Solution

The fourth proportional to 471,246.60, 706,869.90 and 246,520.20 is: 369,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,246.60 : 706,869.90 = 246,520.20 : x
  2. Step 2: Convert to fraction form
    471,246.60/706,869.90 = 246,520.20/x
  3. Step 3: Cross multiply
    471,246.60x = 706,869.90 × 246,520.20
  4. Step 4: Simplify right side
    471,246.60x = 174,257,709,121.98
  5. Step 5: Solve for x
    x = 174,257,709,121.98/471,246.60
  6. Step 6: Final answer
    x = 369,780.30

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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.