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Finding the Fourth Proportional to 450,482,523.01, 621,881,450.62 and 300,025,562.82

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Solution

The fourth proportional to 450,482,523.01, 621,881,450.62 and 300,025,562.82 is: 414,178,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,482,523.01 : 621,881,450.62 = 300,025,562.82 : x
  2. Step 2: Convert to fraction form
    450,482,523.01/621,881,450.62 = 300,025,562.82/x
  3. Step 3: Cross multiply
    450,482,523.01x = 621,881,450.62 × 300,025,562.82
  4. Step 4: Simplify right side
    450,482,523.01x = 186,580,332,229,978,752
  5. Step 5: Solve for x
    x = 186,580,332,229,978,752/450,482,523.01
  6. Step 6: Final answer
    x = 414,178,847.56

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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.