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Finding the Fourth Proportional to 416,585.79, 574,890.21 and 235,299.87

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Solution

The fourth proportional to 416,585.79, 574,890.21 and 235,299.87 is: 324,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,585.79 : 574,890.21 = 235,299.87 : x
  2. Step 2: Convert to fraction form
    416,585.79/574,890.21 = 235,299.87/x
  3. Step 3: Cross multiply
    416,585.79x = 574,890.21 × 235,299.87
  4. Step 4: Simplify right side
    416,585.79x = 135,271,591,677.27
  5. Step 5: Solve for x
    x = 135,271,591,677.27/416,585.79
  6. Step 6: Final answer
    x = 324,714.85

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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.