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Finding the Fourth Proportional to 302,530.20, 453,139.20 and 250,042.20

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Solution

The fourth proportional to 302,530.20, 453,139.20 and 250,042.20 is: 374,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,530.20 : 453,139.20 = 250,042.20 : x
  2. Step 2: Convert to fraction form
    302,530.20/453,139.20 = 250,042.20/x
  3. Step 3: Cross multiply
    302,530.20x = 453,139.20 × 250,042.20
  4. Step 4: Simplify right side
    302,530.20x = 113,303,922,474.24
  5. Step 5: Solve for x
    x = 113,303,922,474.24/302,530.20
  6. Step 6: Final answer
    x = 374,521.03

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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.