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Finding the Fourth Proportional to 324,606.60, 486,909.90 and 191,550.60

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Solution

The fourth proportional to 324,606.60, 486,909.90 and 191,550.60 is: 287,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,606.60 : 486,909.90 = 191,550.60 : x
  2. Step 2: Convert to fraction form
    324,606.60/486,909.90 = 191,550.60/x
  3. Step 3: Cross multiply
    324,606.60x = 486,909.90 × 191,550.60
  4. Step 4: Simplify right side
    324,606.60x = 93,267,883,490.94
  5. Step 5: Solve for x
    x = 93,267,883,490.94/324,606.60
  6. Step 6: Final answer
    x = 287,325.90

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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.