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Finding the Fourth Proportional to 453,857.70, 680,932.35 and 304,266.90

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Solution

The fourth proportional to 453,857.70, 680,932.35 and 304,266.90 is: 456,498.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,857.70 : 680,932.35 = 304,266.90 : x
  2. Step 2: Convert to fraction form
    453,857.70/680,932.35 = 304,266.90/x
  3. Step 3: Cross multiply
    453,857.70x = 680,932.35 × 304,266.90
  4. Step 4: Simplify right side
    453,857.70x = 207,185,175,244.22
  5. Step 5: Solve for x
    x = 207,185,175,244.22/453,857.70
  6. Step 6: Final answer
    x = 456,498.09

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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.