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Finding the Fourth Proportional to 327,059.29, 490,588.94 and 102,437.30

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Solution

The fourth proportional to 327,059.29, 490,588.94 and 102,437.30 is: 153,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,059.29 : 490,588.94 = 102,437.30 : x
  2. Step 2: Convert to fraction form
    327,059.29/490,588.94 = 102,437.30/x
  3. Step 3: Cross multiply
    327,059.29x = 490,588.94 × 102,437.30
  4. Step 4: Simplify right side
    327,059.29x = 50,254,606,423.46
  5. Step 5: Solve for x
    x = 50,254,606,423.46/327,059.29
  6. Step 6: Final answer
    x = 153,655.95

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Similar ratio
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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.