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Finding the Fourth Proportional to 486,350.91, 671,231.70 and 271,504.89

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Solution

The fourth proportional to 486,350.91, 671,231.70 and 271,504.89 is: 374,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,350.91 : 671,231.70 = 271,504.89 : x
  2. Step 2: Convert to fraction form
    486,350.91/671,231.70 = 271,504.89/x
  3. Step 3: Cross multiply
    486,350.91x = 671,231.70 × 271,504.89
  4. Step 4: Simplify right side
    486,350.91x = 182,242,688,873.01
  5. Step 5: Solve for x
    x = 182,242,688,873.01/486,350.91
  6. Step 6: Final answer
    x = 374,714.40

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1.5x scale

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.