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Finding the Fourth Proportional to 303,421.68, 454,991.67 and 177,098.40

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Solution

The fourth proportional to 303,421.68, 454,991.67 and 177,098.40 is: 265,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,421.68 : 454,991.67 = 177,098.40 : x
  2. Step 2: Convert to fraction form
    303,421.68/454,991.67 = 177,098.40/x
  3. Step 3: Cross multiply
    303,421.68x = 454,991.67 × 177,098.40
  4. Step 4: Simplify right side
    303,421.68x = 80,578,296,770.33
  5. Step 5: Solve for x
    x = 80,578,296,770.33/303,421.68
  6. Step 6: Final answer
    x = 265,565.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.