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Finding the Fourth Proportional to 474,791.46, 655,212.40 and 259,945.18

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Solution

The fourth proportional to 474,791.46, 655,212.40 and 259,945.18 is: 358,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,791.46 : 655,212.40 = 259,945.18 : x
  2. Step 2: Convert to fraction form
    474,791.46/655,212.40 = 259,945.18/x
  3. Step 3: Cross multiply
    474,791.46x = 655,212.40 × 259,945.18
  4. Step 4: Simplify right side
    474,791.46x = 170,319,305,256.23
  5. Step 5: Solve for x
    x = 170,319,305,256.23/474,791.46
  6. Step 6: Final answer
    x = 358,724.45

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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.