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Finding the Fourth Proportional to 531,727.28, 797,324.40 and 176,616.80

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Solution

The fourth proportional to 531,727.28, 797,324.40 and 176,616.80 is: 264,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,727.28 : 797,324.40 = 176,616.80 : x
  2. Step 2: Convert to fraction form
    531,727.28/797,324.40 = 176,616.80/x
  3. Step 3: Cross multiply
    531,727.28x = 797,324.40 × 176,616.80
  4. Step 4: Simplify right side
    531,727.28x = 140,820,884,089.92
  5. Step 5: Solve for x
    x = 140,820,884,089.92/531,727.28
  6. Step 6: Final answer
    x = 264,836.67

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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.