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Finding the Fourth Proportional to 492,807.28, 680,072.76 and 266,452.72

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Solution

The fourth proportional to 492,807.28, 680,072.76 and 266,452.72 is: 367,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,807.28 : 680,072.76 = 266,452.72 : x
  2. Step 2: Convert to fraction form
    492,807.28/680,072.76 = 266,452.72/x
  3. Step 3: Cross multiply
    492,807.28x = 680,072.76 × 266,452.72
  4. Step 4: Simplify right side
    492,807.28x = 181,207,236,699.91
  5. Step 5: Solve for x
    x = 181,207,236,699.91/492,807.28
  6. Step 6: Final answer
    x = 367,704.06

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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.