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Finding the Fourth Proportional to 529,645.37, 793,012.28 and 369,880.97

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Solution

The fourth proportional to 529,645.37, 793,012.28 and 369,880.97 is: 553,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,645.37 : 793,012.28 = 369,880.97 : x
  2. Step 2: Convert to fraction form
    529,645.37/793,012.28 = 369,880.97/x
  3. Step 3: Cross multiply
    529,645.37x = 793,012.28 × 369,880.97
  4. Step 4: Simplify right side
    529,645.37x = 293,320,145,533.85
  5. Step 5: Solve for x
    x = 293,320,145,533.85/529,645.37
  6. Step 6: Final answer
    x = 553,804.80

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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.