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Finding the Fourth Proportional to 519,260.16, 779,028.24 and 164,280.48

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Solution

The fourth proportional to 519,260.16, 779,028.24 and 164,280.48 is: 246,464.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,260.16 : 779,028.24 = 164,280.48 : x
  2. Step 2: Convert to fraction form
    519,260.16/779,028.24 = 164,280.48/x
  3. Step 3: Cross multiply
    519,260.16x = 779,028.24 × 164,280.48
  4. Step 4: Simplify right side
    519,260.16x = 127,979,133,200.76
  5. Step 5: Solve for x
    x = 127,979,133,200.76/519,260.16
  6. Step 6: Final answer
    x = 246,464.38

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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.