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Finding the Fourth Proportional to 466,244.70, 699,712.65 and 308,420.70

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Solution

The fourth proportional to 466,244.70, 699,712.65 and 308,420.70 is: 462,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,244.70 : 699,712.65 = 308,420.70 : x
  2. Step 2: Convert to fraction form
    466,244.70/699,712.65 = 308,420.70/x
  3. Step 3: Cross multiply
    466,244.70x = 699,712.65 × 308,420.70
  4. Step 4: Simplify right side
    466,244.70x = 215,805,865,311.86
  5. Step 5: Solve for x
    x = 215,805,865,311.86/466,244.70
  6. Step 6: Final answer
    x = 462,859.66

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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.