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Finding the Fourth Proportional to 302,527.20, 453,134.70 and 250,039.20

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Solution

The fourth proportional to 302,527.20, 453,134.70 and 250,039.20 is: 374,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,527.20 : 453,134.70 = 250,039.20 : x
  2. Step 2: Convert to fraction form
    302,527.20/453,134.70 = 250,039.20/x
  3. Step 3: Cross multiply
    302,527.20x = 453,134.70 × 250,039.20
  4. Step 4: Simplify right side
    302,527.20x = 113,301,437,880.24
  5. Step 5: Solve for x
    x = 113,301,437,880.24/302,527.20
  6. Step 6: Final answer
    x = 374,516.53

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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.