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Finding the Fourth Proportional to 230,818.60, 346,227.90 and 216,821.80

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Solution

The fourth proportional to 230,818.60, 346,227.90 and 216,821.80 is: 325,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,818.60 : 346,227.90 = 216,821.80 : x
  2. Step 2: Convert to fraction form
    230,818.60/346,227.90 = 216,821.80/x
  3. Step 3: Cross multiply
    230,818.60x = 346,227.90 × 216,821.80
  4. Step 4: Simplify right side
    230,818.60x = 75,069,756,488.22
  5. Step 5: Solve for x
    x = 75,069,756,488.22/230,818.60
  6. Step 6: Final answer
    x = 325,232.70

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1.5x scale

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.