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Finding the Fourth Proportional to 543,221.40, 814,929.30 and 227,710.20

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Solution

The fourth proportional to 543,221.40, 814,929.30 and 227,710.20 is: 341,606.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,221.40 : 814,929.30 = 227,710.20 : x
  2. Step 2: Convert to fraction form
    543,221.40/814,929.30 = 227,710.20/x
  3. Step 3: Cross multiply
    543,221.40x = 814,929.30 × 227,710.20
  4. Step 4: Simplify right side
    543,221.40x = 185,567,713,888.86
  5. Step 5: Solve for x
    x = 185,567,713,888.86/543,221.40
  6. Step 6: Final answer
    x = 341,606.04

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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.