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Finding the Fourth Proportional to 492,260.28, 738,489.30 and 176,741.88

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Solution

The fourth proportional to 492,260.28, 738,489.30 and 176,741.88 is: 265,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,260.28 : 738,489.30 = 176,741.88 : x
  2. Step 2: Convert to fraction form
    492,260.28/738,489.30 = 176,741.88/x
  3. Step 3: Cross multiply
    492,260.28x = 738,489.30 × 176,741.88
  4. Step 4: Simplify right side
    492,260.28x = 130,521,987,241.88
  5. Step 5: Solve for x
    x = 130,521,987,241.88/492,260.28
  6. Step 6: Final answer
    x = 265,148.32

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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.