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Finding the Fourth Proportional to 488,126.45, 673,695.11 and 335,038.88

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Solution

The fourth proportional to 488,126.45, 673,695.11 and 335,038.88 is: 462,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,126.45 : 673,695.11 = 335,038.88 : x
  2. Step 2: Convert to fraction form
    488,126.45/673,695.11 = 335,038.88/x
  3. Step 3: Cross multiply
    488,126.45x = 673,695.11 × 335,038.88
  4. Step 4: Simplify right side
    488,126.45x = 225,714,053,440.68
  5. Step 5: Solve for x
    x = 225,714,053,440.68/488,126.45
  6. Step 6: Final answer
    x = 462,408.98

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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.