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Finding the Fourth Proportional to 214,711.60, 321,411.30 and 214,711.60

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Solution

The fourth proportional to 214,711.60, 321,411.30 and 214,711.60 is: 321,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,711.60 : 321,411.30 = 214,711.60 : x
  2. Step 2: Convert to fraction form
    214,711.60/321,411.30 = 214,711.60/x
  3. Step 3: Cross multiply
    214,711.60x = 321,411.30 × 214,711.60
  4. Step 4: Simplify right side
    214,711.60x = 69,010,734,481.08
  5. Step 5: Solve for x
    x = 69,010,734,481.08/214,711.60
  6. Step 6: Final answer
    x = 321,411.30

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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.