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Finding the Fourth Proportional to 544,765.47, 817,152.30 and 189,778.92

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Solution

The fourth proportional to 544,765.47, 817,152.30 and 189,778.92 is: 284,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,765.47 : 817,152.30 = 189,778.92 : x
  2. Step 2: Convert to fraction form
    544,765.47/817,152.30 = 189,778.92/x
  3. Step 3: Cross multiply
    544,765.47x = 817,152.30 × 189,778.92
  4. Step 4: Simplify right side
    544,765.47x = 155,078,277,905.20
  5. Step 5: Solve for x
    x = 155,078,277,905.20/544,765.47
  6. Step 6: Final answer
    x = 284,669.80

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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.