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Finding the Fourth Proportional to 613,329.55, 919,994.05 and 164,038.75

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Solution

The fourth proportional to 613,329.55, 919,994.05 and 164,038.75 is: 246,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,329.55 : 919,994.05 = 164,038.75 : x
  2. Step 2: Convert to fraction form
    613,329.55/919,994.05 = 164,038.75/x
  3. Step 3: Cross multiply
    613,329.55x = 919,994.05 × 164,038.75
  4. Step 4: Simplify right side
    613,329.55x = 150,914,673,969.44
  5. Step 5: Solve for x
    x = 150,914,673,969.44/613,329.55
  6. Step 6: Final answer
    x = 246,058.05

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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.