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Finding the Fourth Proportional to 492,337.80, 738,506.70 and 453,846.60

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Solution

The fourth proportional to 492,337.80, 738,506.70 and 453,846.60 is: 680,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,337.80 : 738,506.70 = 453,846.60 : x
  2. Step 2: Convert to fraction form
    492,337.80/738,506.70 = 453,846.60/x
  3. Step 3: Cross multiply
    492,337.80x = 738,506.70 × 453,846.60
  4. Step 4: Simplify right side
    492,337.80x = 335,168,754,872.22
  5. Step 5: Solve for x
    x = 335,168,754,872.22/492,337.80
  6. Step 6: Final answer
    x = 680,769.90

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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.