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Finding the Fourth Proportional to 544,263.60, 816,278.76 and 170,238

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Solution

The fourth proportional to 544,263.60, 816,278.76 and 170,238 is: 255,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,263.60 : 816,278.76 = 170,238 : x
  2. Step 2: Convert to fraction form
    544,263.60/816,278.76 = 170,238/x
  3. Step 3: Cross multiply
    544,263.60x = 816,278.76 × 170,238
  4. Step 4: Simplify right side
    544,263.60x = 138,961,663,544.88
  5. Step 5: Solve for x
    x = 138,961,663,544.88/544,263.60
  6. Step 6: Final answer
    x = 255,320.52

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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.