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Finding the Fourth Proportional to 191,385.96, 288,876.60 and 191,385.96

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Solution

The fourth proportional to 191,385.96, 288,876.60 and 191,385.96 is: 288,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,385.96 : 288,876.60 = 191,385.96 : x
  2. Step 2: Convert to fraction form
    191,385.96/288,876.60 = 191,385.96/x
  3. Step 3: Cross multiply
    191,385.96x = 288,876.60 × 191,385.96
  4. Step 4: Simplify right side
    191,385.96x = 55,286,925,412.54
  5. Step 5: Solve for x
    x = 55,286,925,412.54/191,385.96
  6. Step 6: Final answer
    x = 288,876.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.