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Finding the Fourth Proportional to 365,132.12, 503,882.28 and 203,987.22

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Solution

The fourth proportional to 365,132.12, 503,882.28 and 203,987.22 is: 281,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,132.12 : 503,882.28 = 203,987.22 : x
  2. Step 2: Convert to fraction form
    365,132.12/503,882.28 = 203,987.22/x
  3. Step 3: Cross multiply
    365,132.12x = 503,882.28 × 203,987.22
  4. Step 4: Simplify right side
    365,132.12x = 102,785,545,504.46
  5. Step 5: Solve for x
    x = 102,785,545,504.46/365,132.12
  6. Step 6: Final answer
    x = 281,502.34

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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.