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Finding the Fourth Proportional to 319,229.39, 440,539.99 and 175,994.57

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Solution

The fourth proportional to 319,229.39, 440,539.99 and 175,994.57 is: 242,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,229.39 : 440,539.99 = 175,994.57 : x
  2. Step 2: Convert to fraction form
    319,229.39/440,539.99 = 175,994.57/x
  3. Step 3: Cross multiply
    319,229.39x = 440,539.99 × 175,994.57
  4. Step 4: Simplify right side
    319,229.39x = 77,532,646,769.22
  5. Step 5: Solve for x
    x = 77,532,646,769.22/319,229.39
  6. Step 6: Final answer
    x = 242,874.40

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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.