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Finding the Fourth Proportional to 377,241.13, 520,549.12 and 216,086.57

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Solution

The fourth proportional to 377,241.13, 520,549.12 and 216,086.57 is: 298,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,241.13 : 520,549.12 = 216,086.57 : x
  2. Step 2: Convert to fraction form
    377,241.13/520,549.12 = 216,086.57/x
  3. Step 3: Cross multiply
    377,241.13x = 520,549.12 × 216,086.57
  4. Step 4: Simplify right side
    377,241.13x = 112,483,673,857.32
  5. Step 5: Solve for x
    x = 112,483,673,857.32/377,241.13
  6. Step 6: Final answer
    x = 298,174.47

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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.