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Finding the Fourth Proportional to 519,414.49, 779,259.99 and 164,435.77

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Solution

The fourth proportional to 519,414.49, 779,259.99 and 164,435.77 is: 246,697.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,414.49 : 779,259.99 = 164,435.77 : x
  2. Step 2: Convert to fraction form
    519,414.49/779,259.99 = 164,435.77/x
  3. Step 3: Cross multiply
    519,414.49x = 779,259.99 × 164,435.77
  4. Step 4: Simplify right side
    519,414.49x = 128,138,216,485.84
  5. Step 5: Solve for x
    x = 128,138,216,485.84/519,414.49
  6. Step 6: Final answer
    x = 246,697.42

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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.