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Finding the Fourth Proportional to 519,703.40, 779,409.30 and 164,826.20

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Solution

The fourth proportional to 519,703.40, 779,409.30 and 164,826.20 is: 247,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,703.40 : 779,409.30 = 164,826.20 : x
  2. Step 2: Convert to fraction form
    519,703.40/779,409.30 = 164,826.20/x
  3. Step 3: Cross multiply
    519,703.40x = 779,409.30 × 164,826.20
  4. Step 4: Simplify right side
    519,703.40x = 128,467,073,163.66
  5. Step 5: Solve for x
    x = 128,467,073,163.66/519,703.40
  6. Step 6: Final answer
    x = 247,193.06

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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.