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Finding the Fourth Proportional to 595,135.20, 821,537.91 and 401,804.81

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Solution

The fourth proportional to 595,135.20, 821,537.91 and 401,804.81 is: 554,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,135.20 : 821,537.91 = 401,804.81 : x
  2. Step 2: Convert to fraction form
    595,135.20/821,537.91 = 401,804.81/x
  3. Step 3: Cross multiply
    595,135.20x = 821,537.91 × 401,804.81
  4. Step 4: Simplify right side
    595,135.20x = 330,097,882,055.04
  5. Step 5: Solve for x
    x = 330,097,882,055.04/595,135.20
  6. Step 6: Final answer
    x = 554,660.32

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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.