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Finding the Fourth Proportional to 508,129.20, 700,896.24 and 326,528.64

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Solution

The fourth proportional to 508,129.20, 700,896.24 and 326,528.64 is: 450,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,129.20 : 700,896.24 = 326,528.64 : x
  2. Step 2: Convert to fraction form
    508,129.20/700,896.24 = 326,528.64/x
  3. Step 3: Cross multiply
    508,129.20x = 700,896.24 × 326,528.64
  4. Step 4: Simplify right side
    508,129.20x = 228,862,696,028.31
  5. Step 5: Solve for x
    x = 228,862,696,028.31/508,129.20
  6. Step 6: Final answer
    x = 450,402.57

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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.