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Finding the Fourth Proportional to 293,044.40, 438,400.20 and 254,034.80

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Solution

The fourth proportional to 293,044.40, 438,400.20 and 254,034.80 is: 380,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,044.40 : 438,400.20 = 254,034.80 : x
  2. Step 2: Convert to fraction form
    293,044.40/438,400.20 = 254,034.80/x
  3. Step 3: Cross multiply
    293,044.40x = 438,400.20 × 254,034.80
  4. Step 4: Simplify right side
    293,044.40x = 111,368,907,126.96
  5. Step 5: Solve for x
    x = 111,368,907,126.96/293,044.40
  6. Step 6: Final answer
    x = 380,041.07

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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.