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Finding the Fourth Proportional to 376,858.06, 520,068.22 and 207,092.16

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Solution

The fourth proportional to 376,858.06, 520,068.22 and 207,092.16 is: 285,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,858.06 : 520,068.22 = 207,092.16 : x
  2. Step 2: Convert to fraction form
    376,858.06/520,068.22 = 207,092.16/x
  3. Step 3: Cross multiply
    376,858.06x = 520,068.22 × 207,092.16
  4. Step 4: Simplify right side
    376,858.06x = 107,702,051,027.16
  5. Step 5: Solve for x
    x = 107,702,051,027.16/376,858.06
  6. Step 6: Final answer
    x = 285,789.43

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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.