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Finding the Fourth Proportional to 486,554.04, 671,436.54 and 271,696.68

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Solution

The fourth proportional to 486,554.04, 671,436.54 and 271,696.68 is: 374,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,554.04 : 671,436.54 = 271,696.68 : x
  2. Step 2: Convert to fraction form
    486,554.04/671,436.54 = 271,696.68/x
  3. Step 3: Cross multiply
    486,554.04x = 671,436.54 × 271,696.68
  4. Step 4: Simplify right side
    486,554.04x = 182,427,078,748.69
  5. Step 5: Solve for x
    x = 182,427,078,748.69/486,554.04
  6. Step 6: Final answer
    x = 374,936.93

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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.