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Finding the Fourth Proportional to 488,476.96, 673,761.64 and 343,590.04

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Solution

The fourth proportional to 488,476.96, 673,761.64 and 343,590.04 is: 473,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,476.96 : 673,761.64 = 343,590.04 : x
  2. Step 2: Convert to fraction form
    488,476.96/673,761.64 = 343,590.04/x
  3. Step 3: Cross multiply
    488,476.96x = 673,761.64 × 343,590.04
  4. Step 4: Simplify right side
    488,476.96x = 231,497,788,838.07
  5. Step 5: Solve for x
    x = 231,497,788,838.07/488,476.96
  6. Step 6: Final answer
    x = 473,917.52

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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.