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Finding the Fourth Proportional to 376,914.02, 520,119.48 and 207,148.14

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Solution

The fourth proportional to 376,914.02, 520,119.48 and 207,148.14 is: 285,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,914.02 : 520,119.48 = 207,148.14 : x
  2. Step 2: Convert to fraction form
    376,914.02/520,119.48 = 207,148.14/x
  3. Step 3: Cross multiply
    376,914.02x = 520,119.48 × 207,148.14
  4. Step 4: Simplify right side
    376,914.02x = 107,741,782,859.77
  5. Step 5: Solve for x
    x = 107,741,782,859.77/376,914.02
  6. Step 6: Final answer
    x = 285,852.41

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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.