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Finding the Fourth Proportional to 377,014.25, 520,266.48 and 207,247.16

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Solution

The fourth proportional to 377,014.25, 520,266.48 and 207,247.16 is: 285,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,014.25 : 520,266.48 = 207,247.16 : x
  2. Step 2: Convert to fraction form
    377,014.25/520,266.48 = 207,247.16/x
  3. Step 3: Cross multiply
    377,014.25x = 520,266.48 × 207,247.16
  4. Step 4: Simplify right side
    377,014.25x = 107,823,750,423.20
  5. Step 5: Solve for x
    x = 107,823,750,423.20/377,014.25
  6. Step 6: Final answer
    x = 285,993.83

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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.