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Finding the Fourth Proportional to 229,196,679.60, 343,795,019.40 and 229,196,679.60

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Solution

The fourth proportional to 229,196,679.60, 343,795,019.40 and 229,196,679.60 is: 343,795,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,196,679.60 : 343,795,019.40 = 229,196,679.60 : x
  2. Step 2: Convert to fraction form
    229,196,679.60/343,795,019.40 = 229,196,679.60/x
  3. Step 3: Cross multiply
    229,196,679.60x = 343,795,019.40 × 229,196,679.60
  4. Step 4: Simplify right side
    229,196,679.60x = 78,796,676,909,497,584
  5. Step 5: Solve for x
    x = 78,796,676,909,497,584/229,196,679.60
  6. Step 6: Final answer
    x = 343,795,019.40

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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.