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Finding the Fourth Proportional to 377,101.11, 520,401.58 and 222,059.13

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Solution

The fourth proportional to 377,101.11, 520,401.58 and 222,059.13 is: 306,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,101.11 : 520,401.58 = 222,059.13 : x
  2. Step 2: Convert to fraction form
    377,101.11/520,401.58 = 222,059.13/x
  3. Step 3: Cross multiply
    377,101.11x = 520,401.58 × 222,059.13
  4. Step 4: Simplify right side
    377,101.11x = 115,559,923,726.25
  5. Step 5: Solve for x
    x = 115,559,923,726.25/377,101.11
  6. Step 6: Final answer
    x = 306,442.81

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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.