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Finding the Fourth Proportional to 541,921.68, 747,851.82 and 300,219.96

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Solution

The fourth proportional to 541,921.68, 747,851.82 and 300,219.96 is: 414,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,921.68 : 747,851.82 = 300,219.96 : x
  2. Step 2: Convert to fraction form
    541,921.68/747,851.82 = 300,219.96/x
  3. Step 3: Cross multiply
    541,921.68x = 747,851.82 × 300,219.96
  4. Step 4: Simplify right side
    541,921.68x = 224,520,043,486.33
  5. Step 5: Solve for x
    x = 224,520,043,486.33/541,921.68
  6. Step 6: Final answer
    x = 414,303.49

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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.