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Finding the Fourth Proportional to 474,833.48, 655,270.20 and 259,973.54

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Solution

The fourth proportional to 474,833.48, 655,270.20 and 259,973.54 is: 358,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,833.48 : 655,270.20 = 259,973.54 : x
  2. Step 2: Convert to fraction form
    474,833.48/655,270.20 = 259,973.54/x
  3. Step 3: Cross multiply
    474,833.48x = 655,270.20 × 259,973.54
  4. Step 4: Simplify right side
    474,833.48x = 170,352,910,274.16
  5. Step 5: Solve for x
    x = 170,352,910,274.16/474,833.48
  6. Step 6: Final answer
    x = 358,763.48

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1.5x scale

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.