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Finding the Fourth Proportional to 488,071.62, 673,461.27 and 273,220.74

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Solution

The fourth proportional to 488,071.62, 673,461.27 and 273,220.74 is: 377,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,071.62 : 673,461.27 = 273,220.74 : x
  2. Step 2: Convert to fraction form
    488,071.62/673,461.27 = 273,220.74/x
  3. Step 3: Cross multiply
    488,071.62x = 673,461.27 × 273,220.74
  4. Step 4: Simplify right side
    488,071.62x = 184,003,586,550.74
  5. Step 5: Solve for x
    x = 184,003,586,550.74/488,071.62
  6. Step 6: Final answer
    x = 377,001.20

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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.