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Finding the Fourth Proportional to 591,120.60, 886,462.20 and 191,774.40

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Solution

The fourth proportional to 591,120.60, 886,462.20 and 191,774.40 is: 287,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,120.60 : 886,462.20 = 191,774.40 : x
  2. Step 2: Convert to fraction form
    591,120.60/886,462.20 = 191,774.40/x
  3. Step 3: Cross multiply
    591,120.60x = 886,462.20 × 191,774.40
  4. Step 4: Simplify right side
    591,120.60x = 170,000,756,527.68
  5. Step 5: Solve for x
    x = 170,000,756,527.68/591,120.60
  6. Step 6: Final answer
    x = 287,590.65

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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.