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Finding the Fourth Proportional to 474,858.07, 655,356.65 and 270,959.20

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Solution

The fourth proportional to 474,858.07, 655,356.65 and 270,959.20 is: 373,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,858.07 : 655,356.65 = 270,959.20 : x
  2. Step 2: Convert to fraction form
    474,858.07/655,356.65 = 270,959.20/x
  3. Step 3: Cross multiply
    474,858.07x = 655,356.65 × 270,959.20
  4. Step 4: Simplify right side
    474,858.07x = 177,574,912,243.88
  5. Step 5: Solve for x
    x = 177,574,912,243.88/474,858.07
  6. Step 6: Final answer
    x = 373,953.66

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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.