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Finding the Fourth Proportional to 297,859.80, 446,789.70 and 265,200.60

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Solution

The fourth proportional to 297,859.80, 446,789.70 and 265,200.60 is: 397,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,859.80 : 446,789.70 = 265,200.60 : x
  2. Step 2: Convert to fraction form
    297,859.80/446,789.70 = 265,200.60/x
  3. Step 3: Cross multiply
    297,859.80x = 446,789.70 × 265,200.60
  4. Step 4: Simplify right side
    297,859.80x = 118,488,896,513.82
  5. Step 5: Solve for x
    x = 118,488,896,513.82/297,859.80
  6. Step 6: Final answer
    x = 397,800.90

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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.