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Finding the Fourth Proportional to 421,969,858.02, 582,310,696.75 and 233,797,465.67

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Solution

The fourth proportional to 421,969,858.02, 582,310,696.75 and 233,797,465.67 is: 322,636,232.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,969,858.02 : 582,310,696.75 = 233,797,465.67 : x
  2. Step 2: Convert to fraction form
    421,969,858.02/582,310,696.75 = 233,797,465.67/x
  3. Step 3: Cross multiply
    421,969,858.02x = 582,310,696.75 × 233,797,465.67
  4. Step 4: Simplify right side
    421,969,858.02x = 136,142,765,129,185,840
  5. Step 5: Solve for x
    x = 136,142,765,129,185,840/421,969,858.02
  6. Step 6: Final answer
    x = 322,636,232.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.