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Finding the Fourth Proportional to 318,304.71, 439,274.41 and 175,069.98

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Solution

The fourth proportional to 318,304.71, 439,274.41 and 175,069.98 is: 241,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,304.71 : 439,274.41 = 175,069.98 : x
  2. Step 2: Convert to fraction form
    318,304.71/439,274.41 = 175,069.98/x
  3. Step 3: Cross multiply
    318,304.71x = 439,274.41 × 175,069.98
  4. Step 4: Simplify right side
    318,304.71x = 76,903,761,735.54
  5. Step 5: Solve for x
    x = 76,903,761,735.54/318,304.71
  6. Step 6: Final answer
    x = 241,604.22

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1.5x scale

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.