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Finding the Fourth Proportional to 566,511.87, 850,605.35 and 378,145.83

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Solution

The fourth proportional to 566,511.87, 850,605.35 and 378,145.83 is: 567,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,511.87 : 850,605.35 = 378,145.83 : x
  2. Step 2: Convert to fraction form
    566,511.87/850,605.35 = 378,145.83/x
  3. Step 3: Cross multiply
    566,511.87x = 850,605.35 × 378,145.83
  4. Step 4: Simplify right side
    566,511.87x = 321,652,864,187.46
  5. Step 5: Solve for x
    x = 321,652,864,187.46/566,511.87
  6. Step 6: Final answer
    x = 567,777.80

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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.