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Finding the Fourth Proportional to 412,671.59, 569,277.20 and 269,515.43

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Solution

The fourth proportional to 412,671.59, 569,277.20 and 269,515.43 is: 371,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,671.59 : 569,277.20 = 269,515.43 : x
  2. Step 2: Convert to fraction form
    412,671.59/569,277.20 = 269,515.43/x
  3. Step 3: Cross multiply
    412,671.59x = 569,277.20 × 269,515.43
  4. Step 4: Simplify right side
    412,671.59x = 153,428,987,793.36
  5. Step 5: Solve for x
    x = 153,428,987,793.36/412,671.59
  6. Step 6: Final answer
    x = 371,794.40

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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.