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Finding the Fourth Proportional to 288,329.67, 432,332.53 and 119,736.58

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Solution

The fourth proportional to 288,329.67, 432,332.53 and 119,736.58 is: 179,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,329.67 : 432,332.53 = 119,736.58 : x
  2. Step 2: Convert to fraction form
    288,329.67/432,332.53 = 119,736.58/x
  3. Step 3: Cross multiply
    288,329.67x = 432,332.53 × 119,736.58
  4. Step 4: Simplify right side
    288,329.67x = 51,766,016,403.28
  5. Step 5: Solve for x
    x = 51,766,016,403.28/288,329.67
  6. Step 6: Final answer
    x = 179,537.60

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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.