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Finding the Fourth Proportional to 466,094.20, 697,391.70 and 308,630.20

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Solution

The fourth proportional to 466,094.20, 697,391.70 and 308,630.20 is: 461,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,094.20 : 697,391.70 = 308,630.20 : x
  2. Step 2: Convert to fraction form
    466,094.20/697,391.70 = 308,630.20/x
  3. Step 3: Cross multiply
    466,094.20x = 697,391.70 × 308,630.20
  4. Step 4: Simplify right side
    466,094.20x = 215,236,139,849.34
  5. Step 5: Solve for x
    x = 215,236,139,849.34/466,094.20
  6. Step 6: Final answer
    x = 461,786.78

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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.