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Finding the Fourth Proportional to 456,760.77, 685,124.76 and 119,798.75

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Solution

The fourth proportional to 456,760.77, 685,124.76 and 119,798.75 is: 179,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,760.77 : 685,124.76 = 119,798.75 : x
  2. Step 2: Convert to fraction form
    456,760.77/685,124.76 = 119,798.75/x
  3. Step 3: Cross multiply
    456,760.77x = 685,124.76 × 119,798.75
  4. Step 4: Simplify right side
    456,760.77x = 82,077,089,842.05
  5. Step 5: Solve for x
    x = 82,077,089,842.05/456,760.77
  6. Step 6: Final answer
    x = 179,693.82

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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.