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Finding the Fourth Proportional to 1,833,888.96, 2,747,579.04 and 766,578.24

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Solution

The fourth proportional to 1,833,888.96, 2,747,579.04 and 766,578.24 is: 1,148,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833,888.96 : 2,747,579.04 = 766,578.24 : x
  2. Step 2: Convert to fraction form
    1,833,888.96/2,747,579.04 = 766,578.24/x
  3. Step 3: Cross multiply
    1,833,888.96x = 2,747,579.04 × 766,578.24
  4. Step 4: Simplify right side
    1,833,888.96x = 2,106,234,304,744.09
  5. Step 5: Solve for x
    x = 2,106,234,304,744.09/1,833,888.96
  6. Step 6: Final answer
    x = 1,148,507.00

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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.