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Finding the Fourth Proportional to 547,113.74, 818,988.95 and 466,401.11

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Solution

The fourth proportional to 547,113.74, 818,988.95 and 466,401.11 is: 698,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,113.74 : 818,988.95 = 466,401.11 : x
  2. Step 2: Convert to fraction form
    547,113.74/818,988.95 = 466,401.11/x
  3. Step 3: Cross multiply
    547,113.74x = 818,988.95 × 466,401.11
  4. Step 4: Simplify right side
    547,113.74x = 381,977,348,930.78
  5. Step 5: Solve for x
    x = 381,977,348,930.78/547,113.74
  6. Step 6: Final answer
    x = 698,168.09

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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.