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Finding the Fourth Proportional to 486,270.89, 671,026.48 and 271,424.77

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Solution

The fourth proportional to 486,270.89, 671,026.48 and 271,424.77 is: 374,550.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,270.89 : 671,026.48 = 271,424.77 : x
  2. Step 2: Convert to fraction form
    486,270.89/671,026.48 = 271,424.77/x
  3. Step 3: Cross multiply
    486,270.89x = 671,026.48 × 271,424.77
  4. Step 4: Simplify right side
    486,270.89x = 182,133,209,416.31
  5. Step 5: Solve for x
    x = 182,133,209,416.31/486,270.89
  6. Step 6: Final answer
    x = 374,550.92

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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.