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Finding the Fourth Proportional to 230,460,740.70, 345,691,111.05 and 230,460,740.70

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Solution

The fourth proportional to 230,460,740.70, 345,691,111.05 and 230,460,740.70 is: 345,691,111.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,460,740.70 : 345,691,111.05 = 230,460,740.70 : x
  2. Step 2: Convert to fraction form
    230,460,740.70/345,691,111.05 = 230,460,740.70/x
  3. Step 3: Cross multiply
    230,460,740.70x = 345,691,111.05 × 230,460,740.70
  4. Step 4: Simplify right side
    230,460,740.70x = 79,668,229,505,988,960
  5. Step 5: Solve for x
    x = 79,668,229,505,988,960/230,460,740.70
  6. Step 6: Final answer
    x = 345,691,111.05

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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.