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Finding the Fourth Proportional to 544,555.89, 751,379.49 and 329,715.81

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Solution

The fourth proportional to 544,555.89, 751,379.49 and 329,715.81 is: 454,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,555.89 : 751,379.49 = 329,715.81 : x
  2. Step 2: Convert to fraction form
    544,555.89/751,379.49 = 329,715.81/x
  3. Step 3: Cross multiply
    544,555.89x = 751,379.49 × 329,715.81
  4. Step 4: Simplify right side
    544,555.89x = 247,741,697,162.74
  5. Step 5: Solve for x
    x = 247,741,697,162.74/544,555.89
  6. Step 6: Final answer
    x = 454,942.65

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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.