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Finding the Fourth Proportional to 404,714.60, 607,763.10 and 265,092.20

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Solution

The fourth proportional to 404,714.60, 607,763.10 and 265,092.20 is: 398,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,714.60 : 607,763.10 = 265,092.20 : x
  2. Step 2: Convert to fraction form
    404,714.60/607,763.10 = 265,092.20/x
  3. Step 3: Cross multiply
    404,714.60x = 607,763.10 × 265,092.20
  4. Step 4: Simplify right side
    404,714.60x = 161,113,257,257.82
  5. Step 5: Solve for x
    x = 161,113,257,257.82/404,714.60
  6. Step 6: Final answer
    x = 398,091.04

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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.