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Finding the Fourth Proportional to 379,973.96, 570,613.64 and 337,375.32

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Solution

The fourth proportional to 379,973.96, 570,613.64 and 337,375.32 is: 506,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,973.96 : 570,613.64 = 337,375.32 : x
  2. Step 2: Convert to fraction form
    379,973.96/570,613.64 = 337,375.32/x
  3. Step 3: Cross multiply
    379,973.96x = 570,613.64 × 337,375.32
  4. Step 4: Simplify right side
    379,973.96x = 192,510,959,391.37
  5. Step 5: Solve for x
    x = 192,510,959,391.37/379,973.96
  6. Step 6: Final answer
    x = 506,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.