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Finding the Fourth Proportional to 525,265.92, 782,902.24 and 495,369.63

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Solution

The fourth proportional to 525,265.92, 782,902.24 and 495,369.63 is: 738,342.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,265.92 : 782,902.24 = 495,369.63 : x
  2. Step 2: Convert to fraction form
    525,265.92/782,902.24 = 495,369.63/x
  3. Step 3: Cross multiply
    525,265.92x = 782,902.24 × 495,369.63
  4. Step 4: Simplify right side
    525,265.92x = 387,825,991,716.55
  5. Step 5: Solve for x
    x = 387,825,991,716.55/525,265.92
  6. Step 6: Final answer
    x = 738,342.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.