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Finding the Fourth Proportional to 519,655.01, 779,548.13 and 164,542.10

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Solution

The fourth proportional to 519,655.01, 779,548.13 and 164,542.10 is: 246,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,655.01 : 779,548.13 = 164,542.10 : x
  2. Step 2: Convert to fraction form
    519,655.01/779,548.13 = 164,542.10/x
  3. Step 3: Cross multiply
    519,655.01x = 779,548.13 × 164,542.10
  4. Step 4: Simplify right side
    519,655.01x = 128,268,485,538.56
  5. Step 5: Solve for x
    x = 128,268,485,538.56/519,655.01
  6. Step 6: Final answer
    x = 246,833.92

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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.