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Finding the Fourth Proportional to 519,875.56, 779,887.80 and 160,076.92

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Solution

The fourth proportional to 519,875.56, 779,887.80 and 160,076.92 is: 240,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,875.56 : 779,887.80 = 160,076.92 : x
  2. Step 2: Convert to fraction form
    519,875.56/779,887.80 = 160,076.92/x
  3. Step 3: Cross multiply
    519,875.56x = 779,887.80 × 160,076.92
  4. Step 4: Simplify right side
    519,875.56x = 124,842,036,969.58
  5. Step 5: Solve for x
    x = 124,842,036,969.58/519,875.56
  6. Step 6: Final answer
    x = 240,138.31

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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.