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Finding the Fourth Proportional to 511,589.50, 706,043.40 and 382,303.48

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Solution

The fourth proportional to 511,589.50, 706,043.40 and 382,303.48 is: 527,616.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,589.50 : 706,043.40 = 382,303.48 : x
  2. Step 2: Convert to fraction form
    511,589.50/706,043.40 = 382,303.48/x
  3. Step 3: Cross multiply
    511,589.50x = 706,043.40 × 382,303.48
  4. Step 4: Simplify right side
    511,589.50x = 269,922,848,851.03
  5. Step 5: Solve for x
    x = 269,922,848,851.03/511,589.50
  6. Step 6: Final answer
    x = 527,616.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.