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Finding the Fourth Proportional to 519,509.07, 779,308.02 and 182,520.45

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Solution

The fourth proportional to 519,509.07, 779,308.02 and 182,520.45 is: 273,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,509.07 : 779,308.02 = 182,520.45 : x
  2. Step 2: Convert to fraction form
    519,509.07/779,308.02 = 182,520.45/x
  3. Step 3: Cross multiply
    519,509.07x = 779,308.02 × 182,520.45
  4. Step 4: Simplify right side
    519,509.07x = 142,239,650,499.01
  5. Step 5: Solve for x
    x = 142,239,650,499.01/519,509.07
  6. Step 6: Final answer
    x = 273,796.28

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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.