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Finding the Fourth Proportional to 474,674.79, 655,057.37 and 259,810.25

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Solution

The fourth proportional to 474,674.79, 655,057.37 and 259,810.25 is: 358,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,674.79 : 655,057.37 = 259,810.25 : x
  2. Step 2: Convert to fraction form
    474,674.79/655,057.37 = 259,810.25/x
  3. Step 3: Cross multiply
    474,674.79x = 655,057.37 × 259,810.25
  4. Step 4: Simplify right side
    474,674.79x = 170,190,619,064.04
  5. Step 5: Solve for x
    x = 170,190,619,064.04/474,674.79
  6. Step 6: Final answer
    x = 358,541.52

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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.