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Finding the Fourth Proportional to 807,579, 1,114,482.06 and 449,906.04

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Solution

The fourth proportional to 807,579, 1,114,482.06 and 449,906.04 is: 620,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,579 : 1,114,482.06 = 449,906.04 : x
  2. Step 2: Convert to fraction form
    807,579/1,114,482.06 = 449,906.04/x
  3. Step 3: Cross multiply
    807,579x = 1,114,482.06 × 449,906.04
  4. Step 4: Simplify right side
    807,579x = 501,412,210,265.64
  5. Step 5: Solve for x
    x = 501,412,210,265.64/807,579
  6. Step 6: Final answer
    x = 620,883.17

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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.