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Finding the Fourth Proportional to 1,569,957.45, 2,166,878.96 and 957,979.17

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Solution

The fourth proportional to 1,569,957.45, 2,166,878.96 and 957,979.17 is: 1,322,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,957.45 : 2,166,878.96 = 957,979.17 : x
  2. Step 2: Convert to fraction form
    1,569,957.45/2,166,878.96 = 957,979.17/x
  3. Step 3: Cross multiply
    1,569,957.45x = 2,166,878.96 × 957,979.17
  4. Step 4: Simplify right side
    1,569,957.45x = 2,075,824,907,591.26
  5. Step 5: Solve for x
    x = 2,075,824,907,591.26/1,569,957.45
  6. Step 6: Final answer
    x = 1,322,217.30

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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.