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Finding the Fourth Proportional to 546,763.70, 820,145.55 and 251,275.70

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Solution

The fourth proportional to 546,763.70, 820,145.55 and 251,275.70 is: 376,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,763.70 : 820,145.55 = 251,275.70 : x
  2. Step 2: Convert to fraction form
    546,763.70/820,145.55 = 251,275.70/x
  3. Step 3: Cross multiply
    546,763.70x = 820,145.55 × 251,275.70
  4. Step 4: Simplify right side
    546,763.70x = 206,082,647,178.14
  5. Step 5: Solve for x
    x = 206,082,647,178.14/546,763.70
  6. Step 6: Final answer
    x = 376,913.55

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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.