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Finding the Fourth Proportional to 1,569,942.96, 2,166,858.95 and 957,964.62

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Solution

The fourth proportional to 1,569,942.96, 2,166,858.95 and 957,964.62 is: 1,322,197.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,942.96 : 2,166,858.95 = 957,964.62 : x
  2. Step 2: Convert to fraction form
    1,569,942.96/2,166,858.95 = 957,964.62/x
  3. Step 3: Cross multiply
    1,569,942.96x = 2,166,858.95 × 957,964.62
  4. Step 4: Simplify right side
    1,569,942.96x = 2,075,774,213,966.25
  5. Step 5: Solve for x
    x = 2,075,774,213,966.25/1,569,942.96
  6. Step 6: Final answer
    x = 1,322,197.22

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