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Finding the Fourth Proportional to 2,739,329.16, 4,109,554.16 and 941,979.20

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Solution

The fourth proportional to 2,739,329.16, 4,109,554.16 and 941,979.20 is: 1,413,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739,329.16 : 4,109,554.16 = 941,979.20 : x
  2. Step 2: Convert to fraction form
    2,739,329.16/4,109,554.16 = 941,979.20/x
  3. Step 3: Cross multiply
    2,739,329.16x = 4,109,554.16 × 941,979.20
  4. Step 4: Simplify right side
    2,739,329.16x = 3,871,114,539,993.47
  5. Step 5: Solve for x
    x = 3,871,114,539,993.47/2,739,329.16
  6. Step 6: Final answer
    x = 1,413,161.51

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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.