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Finding the Fourth Proportional to 572,736.70, 790,462.83 and 412,123.42

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Solution

The fourth proportional to 572,736.70, 790,462.83 and 412,123.42 is: 568,792.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,736.70 : 790,462.83 = 412,123.42 : x
  2. Step 2: Convert to fraction form
    572,736.70/790,462.83 = 412,123.42/x
  3. Step 3: Cross multiply
    572,736.70x = 790,462.83 × 412,123.42
  4. Step 4: Simplify right side
    572,736.70x = 325,768,244,882.48
  5. Step 5: Solve for x
    x = 325,768,244,882.48/572,736.70
  6. Step 6: Final answer
    x = 568,792.33

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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.