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Finding the Fourth Proportional to 788,529.43, 1,182,794 and 189,490.57

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Solution

The fourth proportional to 788,529.43, 1,182,794 and 189,490.57 is: 284,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,529.43 : 1,182,794 = 189,490.57 : x
  2. Step 2: Convert to fraction form
    788,529.43/1,182,794 = 189,490.57/x
  3. Step 3: Cross multiply
    788,529.43x = 1,182,794 × 189,490.57
  4. Step 4: Simplify right side
    788,529.43x = 224,128,309,252.58
  5. Step 5: Solve for x
    x = 224,128,309,252.58/788,529.43
  6. Step 6: Final answer
    x = 284,235.82

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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.