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Finding the Fourth Proportional to 466,869.80, 699,498.30 and 217,039.40

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Solution

The fourth proportional to 466,869.80, 699,498.30 and 217,039.40 is: 325,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,869.80 : 699,498.30 = 217,039.40 : x
  2. Step 2: Convert to fraction form
    466,869.80/699,498.30 = 217,039.40/x
  3. Step 3: Cross multiply
    466,869.80x = 699,498.30 × 217,039.40
  4. Step 4: Simplify right side
    466,869.80x = 151,818,691,333.02
  5. Step 5: Solve for x
    x = 151,818,691,333.02/466,869.80
  6. Step 6: Final answer
    x = 325,184.22

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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.