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Finding the Fourth Proportional to 2,979,391.84, 4,471,304.88 and 1,463,888.32

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Solution

The fourth proportional to 2,979,391.84, 4,471,304.88 and 1,463,888.32 is: 2,196,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,391.84 : 4,471,304.88 = 1,463,888.32 : x
  2. Step 2: Convert to fraction form
    2,979,391.84/4,471,304.88 = 1,463,888.32/x
  3. Step 3: Cross multiply
    2,979,391.84x = 4,471,304.88 × 1,463,888.32
  4. Step 4: Simplify right side
    2,979,391.84x = 6,545,490,988,991.00
  5. Step 5: Solve for x
    x = 6,545,490,988,991.00/2,979,391.84
  6. Step 6: Final answer
    x = 2,196,921.84

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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.