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Finding the Fourth Proportional to 544,056.70, 816,085.05 and 189,106.60

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Solution

The fourth proportional to 544,056.70, 816,085.05 and 189,106.60 is: 283,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,056.70 : 816,085.05 = 189,106.60 : x
  2. Step 2: Convert to fraction form
    544,056.70/816,085.05 = 189,106.60/x
  3. Step 3: Cross multiply
    544,056.70x = 816,085.05 × 189,106.60
  4. Step 4: Simplify right side
    544,056.70x = 154,327,069,116.33
  5. Step 5: Solve for x
    x = 154,327,069,116.33/544,056.70
  6. Step 6: Final answer
    x = 283,659.90

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Similar ratio
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1.5x scale

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.