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Finding the Fourth Proportional to 488,297.70, 673,835.13 and 270,497.40

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Solution

The fourth proportional to 488,297.70, 673,835.13 and 270,497.40 is: 373,277.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,297.70 : 673,835.13 = 270,497.40 : x
  2. Step 2: Convert to fraction form
    488,297.70/673,835.13 = 270,497.40/x
  3. Step 3: Cross multiply
    488,297.70x = 673,835.13 × 270,497.40
  4. Step 4: Simplify right side
    488,297.70x = 182,270,650,693.66
  5. Step 5: Solve for x
    x = 182,270,650,693.66/488,297.70
  6. Step 6: Final answer
    x = 373,277.72

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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.