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Finding the Fourth Proportional to 591,391.30, 887,160.71 and 231,515.64

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Solution

The fourth proportional to 591,391.30, 887,160.71 and 231,515.64 is: 347,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,391.30 : 887,160.71 = 231,515.64 : x
  2. Step 2: Convert to fraction form
    591,391.30/887,160.71 = 231,515.64/x
  3. Step 3: Cross multiply
    591,391.30x = 887,160.71 × 231,515.64
  4. Step 4: Simplify right side
    591,391.30x = 205,391,579,558.50
  5. Step 5: Solve for x
    x = 205,391,579,558.50/591,391.30
  6. Step 6: Final answer
    x = 347,302.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.