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Finding the Fourth Proportional to 333,485.19, 499,869.09 and 144,034.65

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Solution

The fourth proportional to 333,485.19, 499,869.09 and 144,034.65 is: 215,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,485.19 : 499,869.09 = 144,034.65 : x
  2. Step 2: Convert to fraction form
    333,485.19/499,869.09 = 144,034.65/x
  3. Step 3: Cross multiply
    333,485.19x = 499,869.09 × 144,034.65
  4. Step 4: Simplify right side
    333,485.19x = 71,998,469,423.97
  5. Step 5: Solve for x
    x = 71,998,469,423.97/333,485.19
  6. Step 6: Final answer
    x = 215,897.05

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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.