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Finding the Fourth Proportional to 229,538,431.45, 344,307,647.18 and 229,538,431.45

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Solution

The fourth proportional to 229,538,431.45, 344,307,647.18 and 229,538,431.45 is: 344,307,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,538,431.45 : 344,307,647.18 = 229,538,431.45 : x
  2. Step 2: Convert to fraction form
    229,538,431.45/344,307,647.18 = 229,538,431.45/x
  3. Step 3: Cross multiply
    229,538,431.45x = 344,307,647.18 × 229,538,431.45
  4. Step 4: Simplify right side
    229,538,431.45x = 79,031,837,269,937,216
  5. Step 5: Solve for x
    x = 79,031,837,269,937,216/229,538,431.45
  6. Step 6: Final answer
    x = 344,307,647.18

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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.