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Finding the Fourth Proportional to 318,274.41, 439,209.93 and 175,034.46

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Solution

The fourth proportional to 318,274.41, 439,209.93 and 175,034.46 is: 241,542.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,274.41 : 439,209.93 = 175,034.46 : x
  2. Step 2: Convert to fraction form
    318,274.41/439,209.93 = 175,034.46/x
  3. Step 3: Cross multiply
    318,274.41x = 439,209.93 × 175,034.46
  4. Step 4: Simplify right side
    318,274.41x = 76,876,872,924.19
  5. Step 5: Solve for x
    x = 76,876,872,924.19/318,274.41
  6. Step 6: Final answer
    x = 241,542.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.