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Finding the Fourth Proportional to 547,610.28, 755,419.14 and 346,522.92

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Solution

The fourth proportional to 547,610.28, 755,419.14 and 346,522.92 is: 478,022.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,610.28 : 755,419.14 = 346,522.92 : x
  2. Step 2: Convert to fraction form
    547,610.28/755,419.14 = 346,522.92/x
  3. Step 3: Cross multiply
    547,610.28x = 755,419.14 × 346,522.92
  4. Step 4: Simplify right side
    547,610.28x = 261,770,046,216.69
  5. Step 5: Solve for x
    x = 261,770,046,216.69/547,610.28
  6. Step 6: Final answer
    x = 478,022.52

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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.