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Finding the Fourth Proportional to 519,437.40, 779,057.70 and 182,398.86

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Solution

The fourth proportional to 519,437.40, 779,057.70 and 182,398.86 is: 273,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,437.40 : 779,057.70 = 182,398.86 : x
  2. Step 2: Convert to fraction form
    519,437.40/779,057.70 = 182,398.86/x
  3. Step 3: Cross multiply
    519,437.40x = 779,057.70 × 182,398.86
  4. Step 4: Simplify right side
    519,437.40x = 142,099,236,354.22
  5. Step 5: Solve for x
    x = 142,099,236,354.22/519,437.40
  6. Step 6: Final answer
    x = 273,563.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.