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Finding the Fourth Proportional to 201,218.20, 301,827.30 and 179,445.40

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Solution

The fourth proportional to 201,218.20, 301,827.30 and 179,445.40 is: 269,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,218.20 : 301,827.30 = 179,445.40 : x
  2. Step 2: Convert to fraction form
    201,218.20/301,827.30 = 179,445.40/x
  3. Step 3: Cross multiply
    201,218.20x = 301,827.30 × 179,445.40
  4. Step 4: Simplify right side
    201,218.20x = 54,161,520,579.42
  5. Step 5: Solve for x
    x = 54,161,520,579.42/201,218.20
  6. Step 6: Final answer
    x = 269,168.10

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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.