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Finding the Fourth Proportional to 541,909.55, 747,825.39 and 300,191.38

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Solution

The fourth proportional to 541,909.55, 747,825.39 and 300,191.38 is: 414,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,909.55 : 747,825.39 = 300,191.38 : x
  2. Step 2: Convert to fraction form
    541,909.55/747,825.39 = 300,191.38/x
  3. Step 3: Cross multiply
    541,909.55x = 747,825.39 × 300,191.38
  4. Step 4: Simplify right side
    541,909.55x = 224,490,733,953.58
  5. Step 5: Solve for x
    x = 224,490,733,953.58/541,909.55
  6. Step 6: Final answer
    x = 414,258.68

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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.