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Finding the Fourth Proportional to 3,404,651.53, 4,698,844.79 and 1,954,801.45

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Solution

The fourth proportional to 3,404,651.53, 4,698,844.79 and 1,954,801.45 is: 2,697,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404,651.53 : 4,698,844.79 = 1,954,801.45 : x
  2. Step 2: Convert to fraction form
    3,404,651.53/4,698,844.79 = 1,954,801.45/x
  3. Step 3: Cross multiply
    3,404,651.53x = 4,698,844.79 × 1,954,801.45
  4. Step 4: Simplify right side
    3,404,651.53x = 9,185,308,599,042.94
  5. Step 5: Solve for x
    x = 9,185,308,599,042.94/3,404,651.53
  6. Step 6: Final answer
    x = 2,697,870.40

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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.