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Finding the Fourth Proportional to 510,778.88, 704,555.46 and 367,311.68

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Solution

The fourth proportional to 510,778.88, 704,555.46 and 367,311.68 is: 506,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,778.88 : 704,555.46 = 367,311.68 : x
  2. Step 2: Convert to fraction form
    510,778.88/704,555.46 = 367,311.68/x
  3. Step 3: Cross multiply
    510,778.88x = 704,555.46 × 367,311.68
  4. Step 4: Simplify right side
    510,778.88x = 258,791,449,665.77
  5. Step 5: Solve for x
    x = 258,791,449,665.77/510,778.88
  6. Step 6: Final answer
    x = 506,660.44

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Double scale
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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.