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Finding the Fourth Proportional to 248,881,503.60, 347,788,404.23 and 248,881,503.60

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Solution

The fourth proportional to 248,881,503.60, 347,788,404.23 and 248,881,503.60 is: 347,788,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,881,503.60 : 347,788,404.23 = 248,881,503.60 : x
  2. Step 2: Convert to fraction form
    248,881,503.60/347,788,404.23 = 248,881,503.60/x
  3. Step 3: Cross multiply
    248,881,503.60x = 347,788,404.23 × 248,881,503.60
  4. Step 4: Simplify right side
    248,881,503.60x = 86,558,100,978,162,592
  5. Step 5: Solve for x
    x = 86,558,100,978,162,592/248,881,503.60
  6. Step 6: Final answer
    x = 347,788,404.23

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.