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Finding the Fourth Proportional to 362,808.20, 544,212.30 and 165,816.20

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Solution

The fourth proportional to 362,808.20, 544,212.30 and 165,816.20 is: 248,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,808.20 : 544,212.30 = 165,816.20 : x
  2. Step 2: Convert to fraction form
    362,808.20/544,212.30 = 165,816.20/x
  3. Step 3: Cross multiply
    362,808.20x = 544,212.30 × 165,816.20
  4. Step 4: Simplify right side
    362,808.20x = 90,239,215,579.26
  5. Step 5: Solve for x
    x = 90,239,215,579.26/362,808.20
  6. Step 6: Final answer
    x = 248,724.30

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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.