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Finding the Fourth Proportional to 795.54, 1,190.88 and 586.86

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Solution

The fourth proportional to 795.54, 1,190.88 and 586.86 is: 878.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.54 : 1,190.88 = 586.86 : x
  2. Step 2: Convert to fraction form
    795.54/1,190.88 = 586.86/x
  3. Step 3: Cross multiply
    795.54x = 1,190.88 × 586.86
  4. Step 4: Simplify right side
    795.54x = 698,879.84
  5. Step 5: Solve for x
    x = 698,879.84/795.54
  6. Step 6: Final answer
    x = 878.50

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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.