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Finding the Fourth Proportional to 474,955.79, 655,476.45 and 270,959.72

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Solution

The fourth proportional to 474,955.79, 655,476.45 and 270,959.72 is: 373,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,955.79 : 655,476.45 = 270,959.72 : x
  2. Step 2: Convert to fraction form
    474,955.79/655,476.45 = 270,959.72/x
  3. Step 3: Cross multiply
    474,955.79x = 655,476.45 × 270,959.72
  4. Step 4: Simplify right side
    474,955.79x = 177,607,715,358.59
  5. Step 5: Solve for x
    x = 177,607,715,358.59/474,955.79
  6. Step 6: Final answer
    x = 373,945.78

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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.