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Finding the Fourth Proportional to 377,917.60, 521,506.60 and 234,674.57

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Solution

The fourth proportional to 377,917.60, 521,506.60 and 234,674.57 is: 323,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,917.60 : 521,506.60 = 234,674.57 : x
  2. Step 2: Convert to fraction form
    377,917.60/521,506.60 = 234,674.57/x
  3. Step 3: Cross multiply
    377,917.60x = 521,506.60 × 234,674.57
  4. Step 4: Simplify right side
    377,917.60x = 122,384,337,107.16
  5. Step 5: Solve for x
    x = 122,384,337,107.16/377,917.60
  6. Step 6: Final answer
    x = 323,838.68

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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.