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Finding the Fourth Proportional to 544,166.90, 816,268.77 and 144,808.05

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Solution

The fourth proportional to 544,166.90, 816,268.77 and 144,808.05 is: 217,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,166.90 : 816,268.77 = 144,808.05 : x
  2. Step 2: Convert to fraction form
    544,166.90/816,268.77 = 144,808.05/x
  3. Step 3: Cross multiply
    544,166.90x = 816,268.77 × 144,808.05
  4. Step 4: Simplify right side
    544,166.90x = 118,202,288,859.60
  5. Step 5: Solve for x
    x = 118,202,288,859.60/544,166.90
  6. Step 6: Final answer
    x = 217,216.98

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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.