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Finding the Fourth Proportional to 318,836.57, 440,014.36 and 175,596.58

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Solution

The fourth proportional to 318,836.57, 440,014.36 and 175,596.58 is: 242,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,836.57 : 440,014.36 = 175,596.58 : x
  2. Step 2: Convert to fraction form
    318,836.57/440,014.36 = 175,596.58/x
  3. Step 3: Cross multiply
    318,836.57x = 440,014.36 × 175,596.58
  4. Step 4: Simplify right side
    318,836.57x = 77,265,014,732.08
  5. Step 5: Solve for x
    x = 77,265,014,732.08/318,836.57
  6. Step 6: Final answer
    x = 242,334.23

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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.