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Finding the Fourth Proportional to 544,074.20, 816,111.30 and 189,124.10

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Solution

The fourth proportional to 544,074.20, 816,111.30 and 189,124.10 is: 283,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,074.20 : 816,111.30 = 189,124.10 : x
  2. Step 2: Convert to fraction form
    544,074.20/816,111.30 = 189,124.10/x
  3. Step 3: Cross multiply
    544,074.20x = 816,111.30 × 189,124.10
  4. Step 4: Simplify right side
    544,074.20x = 154,346,315,112.33
  5. Step 5: Solve for x
    x = 154,346,315,112.33/544,074.20
  6. Step 6: Final answer
    x = 283,686.15

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Similar ratio
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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.