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Finding the Fourth Proportional to 546,537.60, 754,107.20 and 331,790.72

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Solution

The fourth proportional to 546,537.60, 754,107.20 and 331,790.72 is: 457,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,537.60 : 754,107.20 = 331,790.72 : x
  2. Step 2: Convert to fraction form
    546,537.60/754,107.20 = 331,790.72/x
  3. Step 3: Cross multiply
    546,537.60x = 754,107.20 × 331,790.72
  4. Step 4: Simplify right side
    546,537.60x = 250,205,770,845.18
  5. Step 5: Solve for x
    x = 250,205,770,845.18/546,537.60
  6. Step 6: Final answer
    x = 457,801.57

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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.