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Finding the Fourth Proportional to 543,455.56, 814,921.08 and 227,827.72

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Solution

The fourth proportional to 543,455.56, 814,921.08 and 227,827.72 is: 341,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,455.56 : 814,921.08 = 227,827.72 : x
  2. Step 2: Convert to fraction form
    543,455.56/814,921.08 = 227,827.72/x
  3. Step 3: Cross multiply
    543,455.56x = 814,921.08 × 227,827.72
  4. Step 4: Simplify right side
    543,455.56x = 185,661,611,636.34
  5. Step 5: Solve for x
    x = 185,661,611,636.34/543,455.56
  6. Step 6: Final answer
    x = 341,631.64

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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.