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Finding the Fourth Proportional to 377,135.52, 520,557.30 and 224,281.23

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Solution

The fourth proportional to 377,135.52, 520,557.30 and 224,281.23 is: 309,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,135.52 : 520,557.30 = 224,281.23 : x
  2. Step 2: Convert to fraction form
    377,135.52/520,557.30 = 224,281.23/x
  3. Step 3: Cross multiply
    377,135.52x = 520,557.30 × 224,281.23
  4. Step 4: Simplify right side
    377,135.52x = 116,751,231,529.48
  5. Step 5: Solve for x
    x = 116,751,231,529.48/377,135.52
  6. Step 6: Final answer
    x = 309,573.68

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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.