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Finding the Fourth Proportional to 321,131.31, 443,168.58 and 175,950.95

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Solution

The fourth proportional to 321,131.31, 443,168.58 and 175,950.95 is: 242,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,131.31 : 443,168.58 = 175,950.95 : x
  2. Step 2: Convert to fraction form
    321,131.31/443,168.58 = 175,950.95/x
  3. Step 3: Cross multiply
    321,131.31x = 443,168.58 × 175,950.95
  4. Step 4: Simplify right side
    321,131.31x = 77,975,931,781.40
  5. Step 5: Solve for x
    x = 77,975,931,781.40/321,131.31
  6. Step 6: Final answer
    x = 242,816.35

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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.