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Finding the Fourth Proportional to 474,673.79, 655,055.99 and 259,809.25

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Solution

The fourth proportional to 474,673.79, 655,055.99 and 259,809.25 is: 358,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,673.79 : 655,055.99 = 259,809.25 : x
  2. Step 2: Convert to fraction form
    474,673.79/655,055.99 = 259,809.25/x
  3. Step 3: Cross multiply
    474,673.79x = 655,055.99 × 259,809.25
  4. Step 4: Simplify right side
    474,673.79x = 170,189,604,481.79
  5. Step 5: Solve for x
    x = 170,189,604,481.79/474,673.79
  6. Step 6: Final answer
    x = 358,540.13

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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.