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Finding the Fourth Proportional to 544,809.34, 817,218.11 and 189,822.79

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Solution

The fourth proportional to 544,809.34, 817,218.11 and 189,822.79 is: 284,735.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,809.34 : 817,218.11 = 189,822.79 : x
  2. Step 2: Convert to fraction form
    544,809.34/817,218.11 = 189,822.79/x
  3. Step 3: Cross multiply
    544,809.34x = 817,218.11 × 189,822.79
  4. Step 4: Simplify right side
    544,809.34x = 155,126,623,174.81
  5. Step 5: Solve for x
    x = 155,126,623,174.81/544,809.34
  6. Step 6: Final answer
    x = 284,735.62

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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.