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Finding the Fourth Proportional to 229,270.10, 343,905.15 and 149,555.30

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Solution

The fourth proportional to 229,270.10, 343,905.15 and 149,555.30 is: 224,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,270.10 : 343,905.15 = 149,555.30 : x
  2. Step 2: Convert to fraction form
    229,270.10/343,905.15 = 149,555.30/x
  3. Step 3: Cross multiply
    229,270.10x = 343,905.15 × 149,555.30
  4. Step 4: Simplify right side
    229,270.10x = 51,432,837,879.80
  5. Step 5: Solve for x
    x = 51,432,837,879.80/229,270.10
  6. Step 6: Final answer
    x = 224,332.95

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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.