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Finding the Fourth Proportional to 500,854.92, 751,369.85 and 220,364.88

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Solution

The fourth proportional to 500,854.92, 751,369.85 and 220,364.88 is: 330,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,854.92 : 751,369.85 = 220,364.88 : x
  2. Step 2: Convert to fraction form
    500,854.92/751,369.85 = 220,364.88/x
  3. Step 3: Cross multiply
    500,854.92x = 751,369.85 × 220,364.88
  4. Step 4: Simplify right side
    500,854.92x = 165,575,526,830.87
  5. Step 5: Solve for x
    x = 165,575,526,830.87/500,854.92
  6. Step 6: Final answer
    x = 330,585.80

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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.