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Finding the Fourth Proportional to 425,049.21, 586,391.87 and 252,932.72

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Solution

The fourth proportional to 425,049.21, 586,391.87 and 252,932.72 is: 348,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,049.21 : 586,391.87 = 252,932.72 : x
  2. Step 2: Convert to fraction form
    425,049.21/586,391.87 = 252,932.72/x
  3. Step 3: Cross multiply
    425,049.21x = 586,391.87 × 252,932.72
  4. Step 4: Simplify right side
    425,049.21x = 148,317,688,365.36
  5. Step 5: Solve for x
    x = 148,317,688,365.36/425,049.21
  6. Step 6: Final answer
    x = 348,942.39

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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.