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Finding the Fourth Proportional to 302,472.45, 453,872.70 and 124,997.40

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Solution

The fourth proportional to 302,472.45, 453,872.70 and 124,997.40 is: 187,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,472.45 : 453,872.70 = 124,997.40 : x
  2. Step 2: Convert to fraction form
    302,472.45/453,872.70 = 124,997.40/x
  3. Step 3: Cross multiply
    302,472.45x = 453,872.70 × 124,997.40
  4. Step 4: Simplify right side
    302,472.45x = 56,732,907,430.98
  5. Step 5: Solve for x
    x = 56,732,907,430.98/302,472.45
  6. Step 6: Final answer
    x = 187,563.88

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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.