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Finding the Fourth Proportional to 504,010.60, 754,995.30 and 313,887.40

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Solution

The fourth proportional to 504,010.60, 754,995.30 and 313,887.40 is: 470,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,010.60 : 754,995.30 = 313,887.40 : x
  2. Step 2: Convert to fraction form
    504,010.60/754,995.30 = 313,887.40/x
  3. Step 3: Cross multiply
    504,010.60x = 754,995.30 × 313,887.40
  4. Step 4: Simplify right side
    504,010.60x = 236,983,511,729.22
  5. Step 5: Solve for x
    x = 236,983,511,729.22/504,010.60
  6. Step 6: Final answer
    x = 470,195.49

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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.