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Finding the Fourth Proportional to 475,238.11, 712,851.01 and 115,411.92

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Solution

The fourth proportional to 475,238.11, 712,851.01 and 115,411.92 is: 173,116.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,238.11 : 712,851.01 = 115,411.92 : x
  2. Step 2: Convert to fraction form
    475,238.11/712,851.01 = 115,411.92/x
  3. Step 3: Cross multiply
    475,238.11x = 712,851.01 × 115,411.92
  4. Step 4: Simplify right side
    475,238.11x = 82,271,503,738.04
  5. Step 5: Solve for x
    x = 82,271,503,738.04/475,238.11
  6. Step 6: Final answer
    x = 173,116.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.