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Finding the Fourth Proportional to 590,866.60, 886,518.60 and 191,520.40

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Solution

The fourth proportional to 590,866.60, 886,518.60 and 191,520.40 is: 287,351.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,866.60 : 886,518.60 = 191,520.40 : x
  2. Step 2: Convert to fraction form
    590,866.60/886,518.60 = 191,520.40/x
  3. Step 3: Cross multiply
    590,866.60x = 886,518.60 × 191,520.40
  4. Step 4: Simplify right side
    590,866.60x = 169,786,396,879.44
  5. Step 5: Solve for x
    x = 169,786,396,879.44/590,866.60
  6. Step 6: Final answer
    x = 287,351.49

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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.