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Finding the Fourth Proportional to 475,064.79, 655,407.01 and 271,127.04

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Solution

The fourth proportional to 475,064.79, 655,407.01 and 271,127.04 is: 374,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,064.79 : 655,407.01 = 271,127.04 : x
  2. Step 2: Convert to fraction form
    475,064.79/655,407.01 = 271,127.04/x
  3. Step 3: Cross multiply
    475,064.79x = 655,407.01 × 271,127.04
  4. Step 4: Simplify right side
    475,064.79x = 177,698,562,616.55
  5. Step 5: Solve for x
    x = 177,698,562,616.55/475,064.79
  6. Step 6: Final answer
    x = 374,051.22

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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.