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Finding the Fourth Proportional to 376,923.94, 520,159.41 and 207,158.34

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Solution

The fourth proportional to 376,923.94, 520,159.41 and 207,158.34 is: 285,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,923.94 : 520,159.41 = 207,158.34 : x
  2. Step 2: Convert to fraction form
    376,923.94/520,159.41 = 207,158.34/x
  3. Step 3: Cross multiply
    376,923.94x = 520,159.41 × 207,158.34
  4. Step 4: Simplify right side
    376,923.94x = 107,755,359,910.98
  5. Step 5: Solve for x
    x = 107,755,359,910.98/376,923.94
  6. Step 6: Final answer
    x = 285,880.91

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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.