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Finding the Fourth Proportional to 704,563.25, 972,268.92 and 382,261.01

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Solution

The fourth proportional to 704,563.25, 972,268.92 and 382,261.01 is: 527,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,563.25 : 972,268.92 = 382,261.01 : x
  2. Step 2: Convert to fraction form
    704,563.25/972,268.92 = 382,261.01/x
  3. Step 3: Cross multiply
    704,563.25x = 972,268.92 × 382,261.01
  4. Step 4: Simplify right side
    704,563.25x = 371,660,499,350.81
  5. Step 5: Solve for x
    x = 371,660,499,350.81/704,563.25
  6. Step 6: Final answer
    x = 527,504.80

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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.