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Finding the Fourth Proportional to 486,346.08, 671,146.36 and 271,506

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Solution

The fourth proportional to 486,346.08, 671,146.36 and 271,506 is: 374,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,346.08 : 671,146.36 = 271,506 : x
  2. Step 2: Convert to fraction form
    486,346.08/671,146.36 = 271,506/x
  3. Step 3: Cross multiply
    486,346.08x = 671,146.36 × 271,506
  4. Step 4: Simplify right side
    486,346.08x = 182,220,263,618.16
  5. Step 5: Solve for x
    x = 182,220,263,618.16/486,346.08
  6. Step 6: Final answer
    x = 374,672.01

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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.