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Finding the Fourth Proportional to 531,437.40, 796,645.80 and 176,268.60

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Solution

The fourth proportional to 531,437.40, 796,645.80 and 176,268.60 is: 264,233.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,437.40 : 796,645.80 = 176,268.60 : x
  2. Step 2: Convert to fraction form
    531,437.40/796,645.80 = 176,268.60/x
  3. Step 3: Cross multiply
    531,437.40x = 796,645.80 × 176,268.60
  4. Step 4: Simplify right side
    531,437.40x = 140,423,639,861.88
  5. Step 5: Solve for x
    x = 140,423,639,861.88/531,437.40
  6. Step 6: Final answer
    x = 264,233.64

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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.