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Finding the Fourth Proportional to 376,955.25, 520,199.06 and 207,190.59

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Solution

The fourth proportional to 376,955.25, 520,199.06 and 207,190.59 is: 285,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,955.25 : 520,199.06 = 207,190.59 : x
  2. Step 2: Convert to fraction form
    376,955.25/520,199.06 = 207,190.59/x
  3. Step 3: Cross multiply
    376,955.25x = 520,199.06 × 207,190.59
  4. Step 4: Simplify right side
    376,955.25x = 107,780,349,122.89
  5. Step 5: Solve for x
    x = 107,780,349,122.89/376,955.25
  6. Step 6: Final answer
    x = 285,923.46

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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.