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Finding the Fourth Proportional to 488,714.04, 732,972.62 and 133,763.94

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Solution

The fourth proportional to 488,714.04, 732,972.62 and 133,763.94 is: 200,618.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,714.04 : 732,972.62 = 133,763.94 : x
  2. Step 2: Convert to fraction form
    488,714.04/732,972.62 = 133,763.94/x
  3. Step 3: Cross multiply
    488,714.04x = 732,972.62 × 133,763.94
  4. Step 4: Simplify right side
    488,714.04x = 98,045,305,563.32
  5. Step 5: Solve for x
    x = 98,045,305,563.32/488,714.04
  6. Step 6: Final answer
    x = 200,618.97

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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.