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Finding the Fourth Proportional to 193,010.40, 288,997.20 and 193,010.40

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Solution

The fourth proportional to 193,010.40, 288,997.20 and 193,010.40 is: 288,997.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,010.40 : 288,997.20 = 193,010.40 : x
  2. Step 2: Convert to fraction form
    193,010.40/288,997.20 = 193,010.40/x
  3. Step 3: Cross multiply
    193,010.40x = 288,997.20 × 193,010.40
  4. Step 4: Simplify right side
    193,010.40x = 55,779,465,170.88
  5. Step 5: Solve for x
    x = 55,779,465,170.88/193,010.40
  6. Step 6: Final answer
    x = 288,997.20

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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.