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Finding the Fourth Proportional to 456,699.57, 685,052.19 and 119,737.19

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Solution

The fourth proportional to 456,699.57, 685,052.19 and 119,737.19 is: 179,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,699.57 : 685,052.19 = 119,737.19 : x
  2. Step 2: Convert to fraction form
    456,699.57/685,052.19 = 119,737.19/x
  3. Step 3: Cross multiply
    456,699.57x = 685,052.19 × 119,737.19
  4. Step 4: Simplify right side
    456,699.57x = 82,026,220,808.69
  5. Step 5: Solve for x
    x = 82,026,220,808.69/456,699.57
  6. Step 6: Final answer
    x = 179,606.52

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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.