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Finding the Fourth Proportional to 366,812.70, 550,219.05 and 303,827.10

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Solution

The fourth proportional to 366,812.70, 550,219.05 and 303,827.10 is: 455,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,812.70 : 550,219.05 = 303,827.10 : x
  2. Step 2: Convert to fraction form
    366,812.70/550,219.05 = 303,827.10/x
  3. Step 3: Cross multiply
    366,812.70x = 550,219.05 × 303,827.10
  4. Step 4: Simplify right side
    366,812.70x = 167,171,458,326.26
  5. Step 5: Solve for x
    x = 167,171,458,326.26/366,812.70
  6. Step 6: Final answer
    x = 455,740.65

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Similar ratio
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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.