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Finding the Fourth Proportional to 453,748.16, 680,622.44 and 187,215.73

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Solution

The fourth proportional to 453,748.16, 680,622.44 and 187,215.73 is: 280,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,748.16 : 680,622.44 = 187,215.73 : x
  2. Step 2: Convert to fraction form
    453,748.16/680,622.44 = 187,215.73/x
  3. Step 3: Cross multiply
    453,748.16x = 680,622.44 × 187,215.73
  4. Step 4: Simplify right side
    453,748.16x = 127,423,226,958.98
  5. Step 5: Solve for x
    x = 127,423,226,958.98/453,748.16
  6. Step 6: Final answer
    x = 280,823.68

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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.