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Finding the Fourth Proportional to 371,297.44, 556,896.30 and 105,081.04

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Solution

The fourth proportional to 371,297.44, 556,896.30 and 105,081.04 is: 157,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,297.44 : 556,896.30 = 105,081.04 : x
  2. Step 2: Convert to fraction form
    371,297.44/556,896.30 = 105,081.04/x
  3. Step 3: Cross multiply
    371,297.44x = 556,896.30 × 105,081.04
  4. Step 4: Simplify right side
    371,297.44x = 58,519,242,376.15
  5. Step 5: Solve for x
    x = 58,519,242,376.15/371,297.44
  6. Step 6: Final answer
    x = 157,607.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.