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Finding the Fourth Proportional to 519,655.26, 779,548.50 and 164,542.35

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Solution

The fourth proportional to 519,655.26, 779,548.50 and 164,542.35 is: 246,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,655.26 : 779,548.50 = 164,542.35 : x
  2. Step 2: Convert to fraction form
    519,655.26/779,548.50 = 164,542.35/x
  3. Step 3: Cross multiply
    519,655.26x = 779,548.50 × 164,542.35
  4. Step 4: Simplify right side
    519,655.26x = 128,268,742,128.98
  5. Step 5: Solve for x
    x = 128,268,742,128.98/519,655.26
  6. Step 6: Final answer
    x = 246,834.30

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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.