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Finding the Fourth Proportional to 1,167,388.56, 1,745,746.56 and 848,611.44

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Solution

The fourth proportional to 1,167,388.56, 1,745,746.56 and 848,611.44 is: 1,269,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,388.56 : 1,745,746.56 = 848,611.44 : x
  2. Step 2: Convert to fraction form
    1,167,388.56/1,745,746.56 = 848,611.44/x
  3. Step 3: Cross multiply
    1,167,388.56x = 1,745,746.56 × 848,611.44
  4. Step 4: Simplify right side
    1,167,388.56x = 1,481,460,502,156.65
  5. Step 5: Solve for x
    x = 1,481,460,502,156.65/1,167,388.56
  6. Step 6: Final answer
    x = 1,269,038.05

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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.