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Finding the Fourth Proportional to 792,384, 1,188,437.92 and 365,883.52

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Solution

The fourth proportional to 792,384, 1,188,437.92 and 365,883.52 is: 548,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,384 : 1,188,437.92 = 365,883.52 : x
  2. Step 2: Convert to fraction form
    792,384/1,188,437.92 = 365,883.52/x
  3. Step 3: Cross multiply
    792,384x = 1,188,437.92 × 365,883.52
  4. Step 4: Simplify right side
    792,384x = 434,829,849,471.08
  5. Step 5: Solve for x
    x = 434,829,849,471.08/792,384
  6. Step 6: Final answer
    x = 548,761.52

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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.