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Finding the Fourth Proportional to 583,282.60, 804,929.82 and 315,010.60

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Solution

The fourth proportional to 583,282.60, 804,929.82 and 315,010.60 is: 434,714.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,282.60 : 804,929.82 = 315,010.60 : x
  2. Step 2: Convert to fraction form
    583,282.60/804,929.82 = 315,010.60/x
  3. Step 3: Cross multiply
    583,282.60x = 804,929.82 × 315,010.60
  4. Step 4: Simplify right side
    583,282.60x = 253,561,425,556.09
  5. Step 5: Solve for x
    x = 253,561,425,556.09/583,282.60
  6. Step 6: Final answer
    x = 434,714.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.