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Finding the Fourth Proportional to 376,852.06, 520,059.94 and 207,086.16

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Solution

The fourth proportional to 376,852.06, 520,059.94 and 207,086.16 is: 285,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,852.06 : 520,059.94 = 207,086.16 : x
  2. Step 2: Convert to fraction form
    376,852.06/520,059.94 = 207,086.16/x
  3. Step 3: Cross multiply
    376,852.06x = 520,059.94 × 207,086.16
  4. Step 4: Simplify right side
    376,852.06x = 107,697,215,944.43
  5. Step 5: Solve for x
    x = 107,697,215,944.43/376,852.06
  6. Step 6: Final answer
    x = 285,781.15

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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.