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Finding the Fourth Proportional to 377,008.43, 520,258.46 and 207,241.34

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Solution

The fourth proportional to 377,008.43, 520,258.46 and 207,241.34 is: 285,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,008.43 : 520,258.46 = 207,241.34 : x
  2. Step 2: Convert to fraction form
    377,008.43/520,258.46 = 207,241.34/x
  3. Step 3: Cross multiply
    377,008.43x = 520,258.46 × 207,241.34
  4. Step 4: Simplify right side
    377,008.43x = 107,819,062,215.49
  5. Step 5: Solve for x
    x = 107,819,062,215.49/377,008.43
  6. Step 6: Final answer
    x = 285,985.81

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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.