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Finding the Fourth Proportional to 377,551.24, 520,929.56 and 222,508.90

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Solution

The fourth proportional to 377,551.24, 520,929.56 and 222,508.90 is: 307,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,551.24 : 520,929.56 = 222,508.90 : x
  2. Step 2: Convert to fraction form
    377,551.24/520,929.56 = 222,508.90/x
  3. Step 3: Cross multiply
    377,551.24x = 520,929.56 × 222,508.90
  4. Step 4: Simplify right side
    377,551.24x = 115,911,463,373.08
  5. Step 5: Solve for x
    x = 115,911,463,373.08/377,551.24
  6. Step 6: Final answer
    x = 307,008.57

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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.