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Finding the Fourth Proportional to 376,776.88, 519,941.64 and 207,010.96

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Solution

The fourth proportional to 376,776.88, 519,941.64 and 207,010.96 is: 285,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,776.88 : 519,941.64 = 207,010.96 : x
  2. Step 2: Convert to fraction form
    376,776.88/519,941.64 = 207,010.96/x
  3. Step 3: Cross multiply
    376,776.88x = 519,941.64 × 207,010.96
  4. Step 4: Simplify right side
    376,776.88x = 107,633,618,040.37
  5. Step 5: Solve for x
    x = 107,633,618,040.37/376,776.88
  6. Step 6: Final answer
    x = 285,669.38

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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.