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Finding the Fourth Proportional to 302,519.70, 453,123.45 and 250,031.70

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Solution

The fourth proportional to 302,519.70, 453,123.45 and 250,031.70 is: 374,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,519.70 : 453,123.45 = 250,031.70 : x
  2. Step 2: Convert to fraction form
    302,519.70/453,123.45 = 250,031.70/x
  3. Step 3: Cross multiply
    302,519.70x = 453,123.45 × 250,031.70
  4. Step 4: Simplify right side
    302,519.70x = 113,295,226,513.37
  5. Step 5: Solve for x
    x = 113,295,226,513.37/302,519.70
  6. Step 6: Final answer
    x = 374,505.29

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1.5x scale

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.