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Finding the Fourth Proportional to 365,774.43, 504,693.09 and 251,011.21

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Solution

The fourth proportional to 365,774.43, 504,693.09 and 251,011.21 is: 346,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,774.43 : 504,693.09 = 251,011.21 : x
  2. Step 2: Convert to fraction form
    365,774.43/504,693.09 = 251,011.21/x
  3. Step 3: Cross multiply
    365,774.43x = 504,693.09 × 251,011.21
  4. Step 4: Simplify right side
    365,774.43x = 126,683,619,421.02
  5. Step 5: Solve for x
    x = 126,683,619,421.02/365,774.43
  6. Step 6: Final answer
    x = 346,343.56

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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.