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Finding the Fourth Proportional to 572,733.70, 790,458.69 and 412,120.42

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Solution

The fourth proportional to 572,733.70, 790,458.69 and 412,120.42 is: 568,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,733.70 : 790,458.69 = 412,120.42 : x
  2. Step 2: Convert to fraction form
    572,733.70/790,458.69 = 412,120.42/x
  3. Step 3: Cross multiply
    572,733.70x = 790,458.69 × 412,120.42
  4. Step 4: Simplify right side
    572,733.70x = 325,764,167,315.45
  5. Step 5: Solve for x
    x = 325,764,167,315.45/572,733.70
  6. Step 6: Final answer
    x = 568,788.19

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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.