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Finding the Fourth Proportional to 486,608.74, 671,530.14 and 271,749.01

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Solution

The fourth proportional to 486,608.74, 671,530.14 and 271,749.01 is: 375,019.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,608.74 : 671,530.14 = 271,749.01 : x
  2. Step 2: Convert to fraction form
    486,608.74/671,530.14 = 271,749.01/x
  3. Step 3: Cross multiply
    486,608.74x = 671,530.14 × 271,749.01
  4. Step 4: Simplify right side
    486,608.74x = 182,487,650,730.16
  5. Step 5: Solve for x
    x = 182,487,650,730.16/486,608.74
  6. Step 6: Final answer
    x = 375,019.26

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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.