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Finding the Fourth Proportional to 230,658.60, 346,506.30 and 221,845.80

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Solution

The fourth proportional to 230,658.60, 346,506.30 and 221,845.80 is: 333,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,658.60 : 346,506.30 = 221,845.80 : x
  2. Step 2: Convert to fraction form
    230,658.60/346,506.30 = 221,845.80/x
  3. Step 3: Cross multiply
    230,658.60x = 346,506.30 × 221,845.80
  4. Step 4: Simplify right side
    230,658.60x = 76,870,967,328.54
  5. Step 5: Solve for x
    x = 76,870,967,328.54/230,658.60
  6. Step 6: Final answer
    x = 333,267.29

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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.