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Finding the Fourth Proportional to 555,634.62, 831,078.36 and 463,892.40

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Solution

The fourth proportional to 555,634.62, 831,078.36 and 463,892.40 is: 693,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,634.62 : 831,078.36 = 463,892.40 : x
  2. Step 2: Convert to fraction form
    555,634.62/831,078.36 = 463,892.40/x
  3. Step 3: Cross multiply
    555,634.62x = 831,078.36 × 463,892.40
  4. Step 4: Simplify right side
    555,634.62x = 385,530,935,008.46
  5. Step 5: Solve for x
    x = 385,530,935,008.46/555,634.62
  6. Step 6: Final answer
    x = 693,856.94

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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.