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Finding the Fourth Proportional to 677,164.96, 934,498.11 and 371,270.62

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Solution

The fourth proportional to 677,164.96, 934,498.11 and 371,270.62 is: 512,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,164.96 : 934,498.11 = 371,270.62 : x
  2. Step 2: Convert to fraction form
    677,164.96/934,498.11 = 371,270.62/x
  3. Step 3: Cross multiply
    677,164.96x = 934,498.11 × 371,270.62
  4. Step 4: Simplify right side
    677,164.96x = 346,951,692,688.53
  5. Step 5: Solve for x
    x = 346,951,692,688.53/677,164.96
  6. Step 6: Final answer
    x = 512,359.19

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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.