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Finding the Fourth Proportional to 475,005.76, 655,495.08 and 271,052.92

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Solution

The fourth proportional to 475,005.76, 655,495.08 and 271,052.92 is: 374,045.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,005.76 : 655,495.08 = 271,052.92 : x
  2. Step 2: Convert to fraction form
    475,005.76/655,495.08 = 271,052.92/x
  3. Step 3: Cross multiply
    475,005.76x = 655,495.08 × 271,052.92
  4. Step 4: Simplify right side
    475,005.76x = 177,673,855,479.63
  5. Step 5: Solve for x
    x = 177,673,855,479.63/475,005.76
  6. Step 6: Final answer
    x = 374,045.69

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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.