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Finding the Fourth Proportional to 365,404.80, 504,261.36 and 204,266.40

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Solution

The fourth proportional to 365,404.80, 504,261.36 and 204,266.40 is: 281,889.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,404.80 : 504,261.36 = 204,266.40 : x
  2. Step 2: Convert to fraction form
    365,404.80/504,261.36 = 204,266.40/x
  3. Step 3: Cross multiply
    365,404.80x = 504,261.36 × 204,266.40
  4. Step 4: Simplify right side
    365,404.80x = 103,003,652,666.30
  5. Step 5: Solve for x
    x = 103,003,652,666.30/365,404.80
  6. Step 6: Final answer
    x = 281,889.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.