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Finding the Fourth Proportional to 214,488,003.70, 321,094,276.35 and 214,488,003.70

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Solution

The fourth proportional to 214,488,003.70, 321,094,276.35 and 214,488,003.70 is: 321,094,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,488,003.70 : 321,094,276.35 = 214,488,003.70 : x
  2. Step 2: Convert to fraction form
    214,488,003.70/321,094,276.35 = 214,488,003.70/x
  3. Step 3: Cross multiply
    214,488,003.70x = 321,094,276.35 × 214,488,003.70
  4. Step 4: Simplify right side
    214,488,003.70x = 68,870,870,333,807,624
  5. Step 5: Solve for x
    x = 68,870,870,333,807,624/214,488,003.70
  6. Step 6: Final answer
    x = 321,094,276.35

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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.