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Finding the Fourth Proportional to 547,073.40, 755,361.20 and 353,595.56

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Solution

The fourth proportional to 547,073.40, 755,361.20 and 353,595.56 is: 488,220.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,073.40 : 755,361.20 = 353,595.56 : x
  2. Step 2: Convert to fraction form
    547,073.40/755,361.20 = 353,595.56/x
  3. Step 3: Cross multiply
    547,073.40x = 755,361.20 × 353,595.56
  4. Step 4: Simplify right side
    547,073.40x = 267,092,366,516.27
  5. Step 5: Solve for x
    x = 267,092,366,516.27/547,073.40
  6. Step 6: Final answer
    x = 488,220.35

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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.