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Finding the Fourth Proportional to 453,293.40, 679,940.10 and 404,304.60

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Solution

The fourth proportional to 453,293.40, 679,940.10 and 404,304.60 is: 606,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,293.40 : 679,940.10 = 404,304.60 : x
  2. Step 2: Convert to fraction form
    453,293.40/679,940.10 = 404,304.60/x
  3. Step 3: Cross multiply
    453,293.40x = 679,940.10 × 404,304.60
  4. Step 4: Simplify right side
    453,293.40x = 274,902,910,154.46
  5. Step 5: Solve for x
    x = 274,902,910,154.46/453,293.40
  6. Step 6: Final answer
    x = 606,456.90

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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.