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Finding the Fourth Proportional to 453,845.80, 680,768.70 and 116,885.80

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Solution

The fourth proportional to 453,845.80, 680,768.70 and 116,885.80 is: 175,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,845.80 : 680,768.70 = 116,885.80 : x
  2. Step 2: Convert to fraction form
    453,845.80/680,768.70 = 116,885.80/x
  3. Step 3: Cross multiply
    453,845.80x = 680,768.70 × 116,885.80
  4. Step 4: Simplify right side
    453,845.80x = 79,572,194,114.46
  5. Step 5: Solve for x
    x = 79,572,194,114.46/453,845.80
  6. Step 6: Final answer
    x = 175,328.70

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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.