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Finding the Fourth Proportional to 544,875.91, 817,344.61 and 165,809.00

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Solution

The fourth proportional to 544,875.91, 817,344.61 and 165,809.00 is: 248,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,875.91 : 817,344.61 = 165,809.00 : x
  2. Step 2: Convert to fraction form
    544,875.91/817,344.61 = 165,809.00/x
  3. Step 3: Cross multiply
    544,875.91x = 817,344.61 × 165,809.00
  4. Step 4: Simplify right side
    544,875.91x = 135,523,089,470.77
  5. Step 5: Solve for x
    x = 135,523,089,470.77/544,875.91
  6. Step 6: Final answer
    x = 248,722.85

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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.