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Finding the Fourth Proportional to 544,261.60, 816,275.76 and 170,236

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Solution

The fourth proportional to 544,261.60, 816,275.76 and 170,236 is: 255,317.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,261.60 : 816,275.76 = 170,236 : x
  2. Step 2: Convert to fraction form
    544,261.60/816,275.76 = 170,236/x
  3. Step 3: Cross multiply
    544,261.60x = 816,275.76 × 170,236
  4. Step 4: Simplify right side
    544,261.60x = 138,959,520,279.36
  5. Step 5: Solve for x
    x = 138,959,520,279.36/544,261.60
  6. Step 6: Final answer
    x = 255,317.52

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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.