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Finding the Fourth Proportional to 302,402.70, 453,604.05 and 124,818.30

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Solution

The fourth proportional to 302,402.70, 453,604.05 and 124,818.30 is: 187,227.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,402.70 : 453,604.05 = 124,818.30 : x
  2. Step 2: Convert to fraction form
    302,402.70/453,604.05 = 124,818.30/x
  3. Step 3: Cross multiply
    302,402.70x = 453,604.05 × 124,818.30
  4. Step 4: Simplify right side
    302,402.70x = 56,618,086,394.12
  5. Step 5: Solve for x
    x = 56,618,086,394.12/302,402.70
  6. Step 6: Final answer
    x = 187,227.45

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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.