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Finding the Fourth Proportional to 646,232.88, 968,493.96 and 495,898.50

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Solution

The fourth proportional to 646,232.88, 968,493.96 and 495,898.50 is: 743,191.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,232.88 : 968,493.96 = 495,898.50 : x
  2. Step 2: Convert to fraction form
    646,232.88/968,493.96 = 495,898.50/x
  3. Step 3: Cross multiply
    646,232.88x = 968,493.96 × 495,898.50
  4. Step 4: Simplify right side
    646,232.88x = 480,274,702,023.06
  5. Step 5: Solve for x
    x = 480,274,702,023.06/646,232.88
  6. Step 6: Final answer
    x = 743,191.37

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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.