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Finding the Fourth Proportional to 304,372.33, 456,636.35 and 178,118.89

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Solution

The fourth proportional to 304,372.33, 456,636.35 and 178,118.89 is: 267,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,372.33 : 456,636.35 = 178,118.89 : x
  2. Step 2: Convert to fraction form
    304,372.33/456,636.35 = 178,118.89/x
  3. Step 3: Cross multiply
    304,372.33x = 456,636.35 × 178,118.89
  4. Step 4: Simplify right side
    304,372.33x = 81,335,559,795.65
  5. Step 5: Solve for x
    x = 81,335,559,795.65/304,372.33
  6. Step 6: Final answer
    x = 267,223.90

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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.