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Finding the Fourth Proportional to 1,301,158.88, 1,795,787.81 and 749,767.31

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Solution

The fourth proportional to 1,301,158.88, 1,795,787.81 and 749,767.31 is: 1,034,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,158.88 : 1,795,787.81 = 749,767.31 : x
  2. Step 2: Convert to fraction form
    1,301,158.88/1,795,787.81 = 749,767.31/x
  3. Step 3: Cross multiply
    1,301,158.88x = 1,795,787.81 × 749,767.31
  4. Step 4: Simplify right side
    1,301,158.88x = 1,346,422,999,186.75
  5. Step 5: Solve for x
    x = 1,346,422,999,186.75/1,301,158.88
  6. Step 6: Final answer
    x = 1,034,787.54

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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.