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Finding the Fourth Proportional to 452,842.54, 679,222.15 and 153,288.88

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Solution

The fourth proportional to 452,842.54, 679,222.15 and 153,288.88 is: 229,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,842.54 : 679,222.15 = 153,288.88 : x
  2. Step 2: Convert to fraction form
    452,842.54/679,222.15 = 153,288.88/x
  3. Step 3: Cross multiply
    452,842.54x = 679,222.15 × 153,288.88
  4. Step 4: Simplify right side
    452,842.54x = 104,117,202,644.69
  5. Step 5: Solve for x
    x = 104,117,202,644.69/452,842.54
  6. Step 6: Final answer
    x = 229,919.22

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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.