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Finding the Fourth Proportional to 544,303.89, 816,827.36 and 189,314.37

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Solution

The fourth proportional to 544,303.89, 816,827.36 and 189,314.37 is: 284,100.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,303.89 : 816,827.36 = 189,314.37 : x
  2. Step 2: Convert to fraction form
    544,303.89/816,827.36 = 189,314.37/x
  3. Step 3: Cross multiply
    544,303.89x = 816,827.36 × 189,314.37
  4. Step 4: Simplify right side
    544,303.89x = 154,637,156,110.59
  5. Step 5: Solve for x
    x = 154,637,156,110.59/544,303.89
  6. Step 6: Final answer
    x = 284,100.77

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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.