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Finding the Fourth Proportional to 571,417.37, 857,268.83 and 403,265.94

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Solution

The fourth proportional to 571,417.37, 857,268.83 and 403,265.94 is: 604,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,417.37 : 857,268.83 = 403,265.94 : x
  2. Step 2: Convert to fraction form
    571,417.37/857,268.83 = 403,265.94/x
  3. Step 3: Cross multiply
    571,417.37x = 857,268.83 × 403,265.94
  4. Step 4: Simplify right side
    571,417.37x = 345,707,321,570.82
  5. Step 5: Solve for x
    x = 345,707,321,570.82/571,417.37
  6. Step 6: Final answer
    x = 604,999.67

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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.