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Finding the Fourth Proportional to 230,829.70, 346,244.55 and 217,927.30

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Solution

The fourth proportional to 230,829.70, 346,244.55 and 217,927.30 is: 326,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,829.70 : 346,244.55 = 217,927.30 : x
  2. Step 2: Convert to fraction form
    230,829.70/346,244.55 = 217,927.30/x
  3. Step 3: Cross multiply
    230,829.70x = 346,244.55 × 217,927.30
  4. Step 4: Simplify right side
    230,829.70x = 75,456,139,921.22
  5. Step 5: Solve for x
    x = 75,456,139,921.22/230,829.70
  6. Step 6: Final answer
    x = 326,890.95

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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.