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Finding the Fourth Proportional to 453,855.76, 680,586.77 and 154,255.88

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Solution

The fourth proportional to 453,855.76, 680,586.77 and 154,255.88 is: 231,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,855.76 : 680,586.77 = 154,255.88 : x
  2. Step 2: Convert to fraction form
    453,855.76/680,586.77 = 154,255.88/x
  3. Step 3: Cross multiply
    453,855.76x = 680,586.77 × 154,255.88
  4. Step 4: Simplify right side
    453,855.76x = 104,984,513,209.81
  5. Step 5: Solve for x
    x = 104,984,513,209.81/453,855.76
  6. Step 6: Final answer
    x = 231,316.91

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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.