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Finding the Fourth Proportional to 510,122.10, 765,153.63 and 194,610.90

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Solution

The fourth proportional to 510,122.10, 765,153.63 and 194,610.90 is: 291,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,122.10 : 765,153.63 = 194,610.90 : x
  2. Step 2: Convert to fraction form
    510,122.10/765,153.63 = 194,610.90/x
  3. Step 3: Cross multiply
    510,122.10x = 765,153.63 × 194,610.90
  4. Step 4: Simplify right side
    510,122.10x = 148,907,236,572.57
  5. Step 5: Solve for x
    x = 148,907,236,572.57/510,122.10
  6. Step 6: Final answer
    x = 291,905.09

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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.