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Finding the Fourth Proportional to 544,038.20, 816,134.10 and 170,022.20

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Solution

The fourth proportional to 544,038.20, 816,134.10 and 170,022.20 is: 255,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.20 : 816,134.10 = 170,022.20 : x
  2. Step 2: Convert to fraction form
    544,038.20/816,134.10 = 170,022.20/x
  3. Step 3: Cross multiply
    544,038.20x = 816,134.10 × 170,022.20
  4. Step 4: Simplify right side
    544,038.20x = 138,760,915,177.02
  5. Step 5: Solve for x
    x = 138,760,915,177.02/544,038.20
  6. Step 6: Final answer
    x = 255,057.30

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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.