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Finding the Fourth Proportional to 453,847.66, 680,845.38 and 134,031.88

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Solution

The fourth proportional to 453,847.66, 680,845.38 and 134,031.88 is: 201,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,847.66 : 680,845.38 = 134,031.88 : x
  2. Step 2: Convert to fraction form
    453,847.66/680,845.38 = 134,031.88/x
  3. Step 3: Cross multiply
    453,847.66x = 680,845.38 × 134,031.88
  4. Step 4: Simplify right side
    453,847.66x = 91,254,986,270.71
  5. Step 5: Solve for x
    x = 91,254,986,270.71/453,847.66
  6. Step 6: Final answer
    x = 201,069.64

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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.