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Finding the Fourth Proportional to 453,477.88, 680,333.70 and 187,279.48

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Solution

The fourth proportional to 453,477.88, 680,333.70 and 187,279.48 is: 280,967.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,477.88 : 680,333.70 = 187,279.48 : x
  2. Step 2: Convert to fraction form
    453,477.88/680,333.70 = 187,279.48/x
  3. Step 3: Cross multiply
    453,477.88x = 680,333.70 × 187,279.48
  4. Step 4: Simplify right side
    453,477.88x = 127,412,541,562.48
  5. Step 5: Solve for x
    x = 127,412,541,562.48/453,477.88
  6. Step 6: Final answer
    x = 280,967.49

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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.