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Finding the Fourth Proportional to 341,996.10, 512,994.15 and 230,021.70

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Solution

The fourth proportional to 341,996.10, 512,994.15 and 230,021.70 is: 345,032.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,996.10 : 512,994.15 = 230,021.70 : x
  2. Step 2: Convert to fraction form
    341,996.10/512,994.15 = 230,021.70/x
  3. Step 3: Cross multiply
    341,996.10x = 512,994.15 × 230,021.70
  4. Step 4: Simplify right side
    341,996.10x = 117,999,786,473.06
  5. Step 5: Solve for x
    x = 117,999,786,473.06/341,996.10
  6. Step 6: Final answer
    x = 345,032.55

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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.