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Finding the Fourth Proportional to 452,843.54, 679,223.66 and 153,289.88

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Solution

The fourth proportional to 452,843.54, 679,223.66 and 153,289.88 is: 229,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,843.54 : 679,223.66 = 153,289.88 : x
  2. Step 2: Convert to fraction form
    452,843.54/679,223.66 = 153,289.88/x
  3. Step 3: Cross multiply
    452,843.54x = 679,223.66 × 153,289.88
  4. Step 4: Simplify right side
    452,843.54x = 104,118,109,171.99
  5. Step 5: Solve for x
    x = 104,118,109,171.99/452,843.54
  6. Step 6: Final answer
    x = 229,920.71

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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.