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Finding the Fourth Proportional to 572,930.44, 790,712.58 and 343,613.92

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Solution

The fourth proportional to 572,930.44, 790,712.58 and 343,613.92 is: 474,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,930.44 : 790,712.58 = 343,613.92 : x
  2. Step 2: Convert to fraction form
    572,930.44/790,712.58 = 343,613.92/x
  3. Step 3: Cross multiply
    572,930.44x = 790,712.58 × 343,613.92
  4. Step 4: Simplify right side
    572,930.44x = 271,699,852,225.35
  5. Step 5: Solve for x
    x = 271,699,852,225.35/572,930.44
  6. Step 6: Final answer
    x = 474,228.34

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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.