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Finding the Fourth Proportional to 544,056.20, 816,161.10 and 170,040.20

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Solution

The fourth proportional to 544,056.20, 816,161.10 and 170,040.20 is: 255,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,056.20 : 816,161.10 = 170,040.20 : x
  2. Step 2: Convert to fraction form
    544,056.20/816,161.10 = 170,040.20/x
  3. Step 3: Cross multiply
    544,056.20x = 816,161.10 × 170,040.20
  4. Step 4: Simplify right side
    544,056.20x = 138,780,196,676.22
  5. Step 5: Solve for x
    x = 138,780,196,676.22/544,056.20
  6. Step 6: Final answer
    x = 255,084.30

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Half scale
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Double scale
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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.