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Finding the Fourth Proportional to 550,544.65, 759,313.34 and 454,885.27

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Solution

The fourth proportional to 550,544.65, 759,313.34 and 454,885.27 is: 627,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,544.65 : 759,313.34 = 454,885.27 : x
  2. Step 2: Convert to fraction form
    550,544.65/759,313.34 = 454,885.27/x
  3. Step 3: Cross multiply
    550,544.65x = 759,313.34 × 454,885.27
  4. Step 4: Simplify right side
    550,544.65x = 345,400,451,213.61
  5. Step 5: Solve for x
    x = 345,400,451,213.61/550,544.65
  6. Step 6: Final answer
    x = 627,379.55

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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.