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Finding the Fourth Proportional to 474,852.40, 655,358.90 and 270,856.60

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Solution

The fourth proportional to 474,852.40, 655,358.90 and 270,856.60 is: 373,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,852.40 : 655,358.90 = 270,856.60 : x
  2. Step 2: Convert to fraction form
    474,852.40/655,358.90 = 270,856.60/x
  3. Step 3: Cross multiply
    474,852.40x = 655,358.90 × 270,856.60
  4. Step 4: Simplify right side
    474,852.40x = 177,508,283,433.74
  5. Step 5: Solve for x
    x = 177,508,283,433.74/474,852.40
  6. Step 6: Final answer
    x = 373,817.81

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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.