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Finding the Fourth Proportional to 544,814.20, 817,221.30 and 170,836.60

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Solution

The fourth proportional to 544,814.20, 817,221.30 and 170,836.60 is: 256,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,814.20 : 817,221.30 = 170,836.60 : x
  2. Step 2: Convert to fraction form
    544,814.20/817,221.30 = 170,836.60/x
  3. Step 3: Cross multiply
    544,814.20x = 817,221.30 × 170,836.60
  4. Step 4: Simplify right side
    544,814.20x = 139,611,308,339.58
  5. Step 5: Solve for x
    x = 139,611,308,339.58/544,814.20
  6. Step 6: Final answer
    x = 256,254.90

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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.