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Finding the Fourth Proportional to 230,842.10, 346,263.15 and 216,845.30

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Solution

The fourth proportional to 230,842.10, 346,263.15 and 216,845.30 is: 325,267.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,842.10 : 346,263.15 = 216,845.30 : x
  2. Step 2: Convert to fraction form
    230,842.10/346,263.15 = 216,845.30/x
  3. Step 3: Cross multiply
    230,842.10x = 346,263.15 × 216,845.30
  4. Step 4: Simplify right side
    230,842.10x = 75,085,536,640.70
  5. Step 5: Solve for x
    x = 75,085,536,640.70/230,842.10
  6. Step 6: Final answer
    x = 325,267.95

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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.