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Finding the Fourth Proportional to 486,196.48, 671,018.77 and 271,350.38

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Solution

The fourth proportional to 486,196.48, 671,018.77 and 271,350.38 is: 374,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,196.48 : 671,018.77 = 271,350.38 : x
  2. Step 2: Convert to fraction form
    486,196.48/671,018.77 = 271,350.38/x
  3. Step 3: Cross multiply
    486,196.48x = 671,018.77 × 271,350.38
  4. Step 4: Simplify right side
    486,196.48x = 182,081,199,225.80
  5. Step 5: Solve for x
    x = 182,081,199,225.80/486,196.48
  6. Step 6: Final answer
    x = 374,501.27

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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.