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Finding the Fourth Proportional to 531,446.40, 796,659.30 and 176,277.60

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Solution

The fourth proportional to 531,446.40, 796,659.30 and 176,277.60 is: 264,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,446.40 : 796,659.30 = 176,277.60 : x
  2. Step 2: Convert to fraction form
    531,446.40/796,659.30 = 176,277.60/x
  3. Step 3: Cross multiply
    531,446.40x = 796,659.30 × 176,277.60
  4. Step 4: Simplify right side
    531,446.40x = 140,433,189,421.68
  5. Step 5: Solve for x
    x = 140,433,189,421.68/531,446.40
  6. Step 6: Final answer
    x = 264,247.14

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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.