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Finding the Fourth Proportional to 550,725.30, 825,929.16 and 151,379.10

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Solution

The fourth proportional to 550,725.30, 825,929.16 and 151,379.10 is: 227,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,725.30 : 825,929.16 = 151,379.10 : x
  2. Step 2: Convert to fraction form
    550,725.30/825,929.16 = 151,379.10/x
  3. Step 3: Cross multiply
    550,725.30x = 825,929.16 × 151,379.10
  4. Step 4: Simplify right side
    550,725.30x = 125,028,412,904.56
  5. Step 5: Solve for x
    x = 125,028,412,904.56/550,725.30
  6. Step 6: Final answer
    x = 227,025.00

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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.