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Finding the Fourth Proportional to 560,610.09, 773,631.14 and 305,963.10

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Solution

The fourth proportional to 560,610.09, 773,631.14 and 305,963.10 is: 422,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,610.09 : 773,631.14 = 305,963.10 : x
  2. Step 2: Convert to fraction form
    560,610.09/773,631.14 = 305,963.10/x
  3. Step 3: Cross multiply
    560,610.09x = 773,631.14 × 305,963.10
  4. Step 4: Simplify right side
    560,610.09x = 236,702,580,321.12
  5. Step 5: Solve for x
    x = 236,702,580,321.12/560,610.09
  6. Step 6: Final answer
    x = 422,223.19

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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.