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Finding the Fourth Proportional to 413,376,908.40, 620,065,362.60 and 183,794,396.40

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Solution

The fourth proportional to 413,376,908.40, 620,065,362.60 and 183,794,396.40 is: 275,691,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,376,908.40 : 620,065,362.60 = 183,794,396.40 : x
  2. Step 2: Convert to fraction form
    413,376,908.40/620,065,362.60 = 183,794,396.40/x
  3. Step 3: Cross multiply
    413,376,908.40x = 620,065,362.60 × 183,794,396.40
  4. Step 4: Simplify right side
    413,376,908.40x = 113,964,539,047,614,144
  5. Step 5: Solve for x
    x = 113,964,539,047,614,144/413,376,908.40
  6. Step 6: Final answer
    x = 275,691,594.60

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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.