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Finding the Fourth Proportional to 488,398.32, 673,774.98 and 294,698.00

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Solution

The fourth proportional to 488,398.32, 673,774.98 and 294,698.00 is: 406,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,398.32 : 673,774.98 = 294,698.00 : x
  2. Step 2: Convert to fraction form
    488,398.32/673,774.98 = 294,698.00/x
  3. Step 3: Cross multiply
    488,398.32x = 673,774.98 × 294,698.00
  4. Step 4: Simplify right side
    488,398.32x = 198,560,135,687.17
  5. Step 5: Solve for x
    x = 198,560,135,687.17/488,398.32
  6. Step 6: Final answer
    x = 406,553.68

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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.