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Finding the Fourth Proportional to 544,528.94, 817,165.54 and 189,542.96

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Solution

The fourth proportional to 544,528.94, 817,165.54 and 189,542.96 is: 284,443.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,528.94 : 817,165.54 = 189,542.96 : x
  2. Step 2: Convert to fraction form
    544,528.94/817,165.54 = 189,542.96/x
  3. Step 3: Cross multiply
    544,528.94x = 817,165.54 × 189,542.96
  4. Step 4: Simplify right side
    544,528.94x = 154,887,975,261.60
  5. Step 5: Solve for x
    x = 154,887,975,261.60/544,528.94
  6. Step 6: Final answer
    x = 284,443.97

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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.