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Finding the Fourth Proportional to 590,556.06, 885,010.55 and 446,343.48

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Solution

The fourth proportional to 590,556.06, 885,010.55 and 446,343.48 is: 668,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,556.06 : 885,010.55 = 446,343.48 : x
  2. Step 2: Convert to fraction form
    590,556.06/885,010.55 = 446,343.48/x
  3. Step 3: Cross multiply
    590,556.06x = 885,010.55 × 446,343.48
  4. Step 4: Simplify right side
    590,556.06x = 395,018,686,492.00
  5. Step 5: Solve for x
    x = 395,018,686,492.00/590,556.06
  6. Step 6: Final answer
    x = 668,892.78

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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.