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Finding the Fourth Proportional to 445,248,051.60, 622,073,252.40 and 445,248,051.60

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Solution

The fourth proportional to 445,248,051.60, 622,073,252.40 and 445,248,051.60 is: 622,073,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,248,051.60 : 622,073,252.40 = 445,248,051.60 : x
  2. Step 2: Convert to fraction form
    445,248,051.60/622,073,252.40 = 445,248,051.60/x
  3. Step 3: Cross multiply
    445,248,051.60x = 622,073,252.40 × 445,248,051.60
  4. Step 4: Simplify right side
    445,248,051.60x = 276,976,903,583,575,040
  5. Step 5: Solve for x
    x = 276,976,903,583,575,040/445,248,051.60
  6. Step 6: Final answer
    x = 622,073,252.40

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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.