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Finding the Fourth Proportional to 298,758.04, 447,790.38 and 121,044.04

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Solution

The fourth proportional to 298,758.04, 447,790.38 and 121,044.04 is: 181,425.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,758.04 : 447,790.38 = 121,044.04 : x
  2. Step 2: Convert to fraction form
    298,758.04/447,790.38 = 121,044.04/x
  3. Step 3: Cross multiply
    298,758.04x = 447,790.38 × 121,044.04
  4. Step 4: Simplify right side
    298,758.04x = 54,202,356,668.34
  5. Step 5: Solve for x
    x = 54,202,356,668.34/298,758.04
  6. Step 6: Final answer
    x = 181,425.60

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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.