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Finding the Fourth Proportional to 541,138.07, 746,771.41 and 299,430.83

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Solution

The fourth proportional to 541,138.07, 746,771.41 and 299,430.83 is: 413,215.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,138.07 : 746,771.41 = 299,430.83 : x
  2. Step 2: Convert to fraction form
    541,138.07/746,771.41 = 299,430.83/x
  3. Step 3: Cross multiply
    541,138.07x = 746,771.41 × 299,430.83
  4. Step 4: Simplify right side
    541,138.07x = 223,606,383,116.57
  5. Step 5: Solve for x
    x = 223,606,383,116.57/541,138.07
  6. Step 6: Final answer
    x = 413,215.03

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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.